15040552032 has 144 divisors (see below), whose sum is σ = 46834744320. Its totient is φ = 4540665600.

The previous prime is 15040552013. The next prime is 15040552061. The reversal of 15040552032 is 23025504051.

It is a happy number.

15040552032 is a `hidden beast` number, since 1 + 50 + 405 + 5 + 203 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 15040551987 and 15040552005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 849769 + ... + 867287.

It is an arithmetic number, because the mean of its divisors is an integer number (325241280).

Almost surely, 2^15040552032 is an apocalyptic number.

15040552032 is a gapful number since it is divisible by the number (12) 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 15040552032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23417372160).

15040552032 is an abundant number, since it is smaller than the sum of its proper divisors (31794192288).

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

15040552032 is a wasteful number, since it uses less digits than its factorization.

15040552032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17817 (or 17806 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 15040552032 in words is "fifteen billion, forty million, five hundred fifty-two thousand, thirty-two".