15152902640 has 40 divisors (see below), whose sum is σ = 35808059328. Its totient is φ = 5961795840.

The previous prime is 15152902603. The next prime is 15152902663. The reversal of 15152902640 is 4620925151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×15152902640² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15152902640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547672 + ... + 1557431.

Almost surely, 2^15152902640 is an apocalyptic number.

15152902640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15152902640 is an abundant number, since it is smaller than the sum of its proper divisors (20655156688).

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

15152902640 is a wasteful number, since it uses less digits than its factorization.

15152902640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105177 (or 3105171 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 15152902640 in words is "fifteen billion, one hundred fifty-two million, nine hundred two thousand, six hundred forty".