15655140480 has 128 divisors (see below), whose sum is σ = 57029489280. Its totient is φ = 3578314752.

The previous prime is 15655140451. The next prime is 15655140517. The reversal of 15655140480 is 8404155651.

It is a tau number, because it is divible by the number of its divisors (128).

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, 568969 + ... + 595848.

It is an arithmetic number, because the mean of its divisors is an integer number (445542885).

Almost surely, 2^15655140480 is an apocalyptic number.

15655140480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15655140480 is an abundant number, since it is smaller than the sum of its proper divisors (41374348800).

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

15655140480 is a wasteful number, since it uses less digits than its factorization.

15655140480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164846 (or 1164834 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The spelling of 15655140480 in words is "fifteen billion, six hundred fifty-five million, one hundred forty thousand, four hundred eighty".