15796040 has 64 divisors (see below), whose sum is σ = 39357360. Its totient is φ = 5667840.

The previous prime is 15796031. The next prime is 15796057. The reversal of 15796040 is 4069751.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5466244 + 10329796 = 2338^2 + 3214^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15795988 and 15796006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18830 + ... + 19650.

Almost surely, 2^15796040 is an apocalyptic number.

15796040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15796040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19678680).

15796040 is an abundant number, since it is smaller than the sum of its proper divisors (23561320).

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

15796040 is a wasteful number, since it uses less digits than its factorization.

15796040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 15796040 is about 3974.4232285956. The cubic root of 15796040 is about 250.9089048963.

The spelling of 15796040 in words is "fifteen million, seven hundred ninety-six thousand, forty".