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40214221000 = 235344479043
BaseRepresentation
bin100101011100111101…
…000101000011001000
310211210121011002110121
4211130331011003020
51124324320033000
630250230153024
72622355144552
oct453475050310
9124717132417
1040214221000
1116066974498
1279637b2774
133a3b578755
141d36c124d2
1510a56eeb1a
hex95cf450c8

40214221000 has 64 divisors (see below), whose sum is σ = 94132846080. Its totient is φ = 16080292800.

The previous prime is 40214220973. The next prime is 40214221001. The reversal of 40214221000 is 12241204.

It is not an unprimeable number, because it can be changed into a prime (40214221001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4442479 + ... + 4451521.

It is an arithmetic number, because the mean of its divisors is an integer number (1470825720).

Almost surely, 240214221000 is an apocalyptic number.

40214221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40214221000 is an abundant number, since it is smaller than the sum of its proper divisors (53918625080).

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

40214221000 is a wasteful number, since it uses less digits than its factorization.

40214221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13511 (or 13497 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 40214221000 its reverse (12241204), we get a palindrome (40226462204).

The spelling of 40214221000 in words is "forty billion, two hundred fourteen million, two hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 4447 8894 9043 17788 18086 22235 35576 36172 44470 45215 72344 88940 90430 111175 177880 180860 222350 226075 361720 444700 452150 555875 889400 904300 1111750 1130375 1808600 2223500 2260750 4447000 4521500 9043000 40214221 80428442 160856884 201071105 321713768 402142210 804284420 1005355525 1608568840 2010711050 4021422100 5026777625 8042844200 10053555250 20107110500 40214221000