15560430642 has 32 divisors (see below), whose sum is σ = 35005642560. Its totient is φ = 5186808756.

The previous prime is 15560430637. The next prime is 15560430653. The reversal of 15560430642 is 24603406551.

15560430642 is a `hidden beast` number, since 1 + 5 + 5 + 6 + 0 + 4 + 3 + 0 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15560430597 and 15560430606.

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 15 ways as a sum of consecutive naturals, for example, 1774368 + ... + 1783115.

It is an arithmetic number, because the mean of its divisors is an integer number (1093926330).

Almost surely, 2^15560430642 is an apocalyptic number.

15560430642 is an abundant number, since it is smaller than the sum of its proper divisors (19445211918).

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

15560430642 is an frugal number, since it uses more digits than its factorization.

15560430642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557506 (or 3557488 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 15560430642 in words is "fifteen billion, five hundred sixty million, four hundred thirty thousand, six hundred forty-two".