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4038900140 = 2251128092063
BaseRepresentation
bin1111000010111100…
…1011100110101100
3101102110220101102002
43300233023212230
531232424301030
61504435351432
7202042041032
oct36057134654
911373811362
104038900140
111792943500
12948752578
134c49c1752
142a459c552
151898ab245
hexf0bcb9ac

4038900140 has 72 divisors (see below), whose sum is σ = 9338898240. Its totient is φ = 1466164480.

The previous prime is 4038900121. The next prime is 4038900143. The reversal of 4038900140 is 410098304.

It is not an unprimeable number, because it can be changed into a prime (4038900143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1956749 + ... + 1958811.

It is an arithmetic number, because the mean of its divisors is an integer number (129706920).

Almost surely, 24038900140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4038900140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4669449120).

4038900140 is an abundant number, since it is smaller than the sum of its proper divisors (5299998100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4038900140 is a wasteful number, since it uses less digits than its factorization.

4038900140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903 (or 2890 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4038900140 is about 63552.3417349825. The cubic root of 4038900140 is about 1592.5303039398.

Adding to 4038900140 its reverse (410098304), we get a palindrome (4448998444).

The spelling of 4038900140 in words is "four billion, thirty-eight million, nine hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 809 1210 1618 2063 2420 3236 4045 4126 8090 8252 8899 10315 16180 17798 20630 22693 35596 41260 44495 45386 88990 90772 97889 113465 177980 195778 226930 249623 391556 453860 489445 499246 978890 998492 1248115 1668967 1957780 2496230 3337934 4992460 6675868 8344835 16689670 18358637 33379340 36717274 73434548 91793185 183586370 201945007 367172740 403890014 807780028 1009725035 2019450070 4038900140