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4036672840 = 235148168141
BaseRepresentation
bin1111000010011010…
…1011110101001000
3101102022201020010111
43300212223311020
531231342012330
61504315524104
7202014103324
oct36046536510
911368636114
104036672840
111791662062
12947a59634
134c43c1a15
142a417c984
151895bb32a
hexf09abd48

4036672840 has 32 divisors (see below), whose sum is σ = 9088779960. Its totient is φ = 1613555200.

The previous prime is 4036672817. The next prime is 4036672847. The reversal of 4036672840 is 482766304.

It is a happy number.

4036672840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1707838276 + 2328834564 = 41326^2 + 48258^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4036672793 and 4036672802.

It is not an unprimeable number, because it can be changed into a prime (4036672847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25170 + ... + 93310.

Almost surely, 24036672840 is an apocalyptic number.

4036672840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4036672840 is an abundant number, since it is smaller than the sum of its proper divisors (5052107120).

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

4036672840 is a wasteful number, since it uses less digits than its factorization.

4036672840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69633 (or 69629 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 4036672840 is about 63534.8159673104. The cubic root of 4036672840 is about 1592.2375101228.

The spelling of 4036672840 in words is "four billion, thirty-six million, six hundred seventy-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1481 2962 5924 7405 11848 14810 29620 59240 68141 136282 272564 340705 545128 681410 1362820 2725640 100916821 201833642 403667284 504584105 807334568 1009168210 2018336420 4036672840