15880050406 has 12 divisors (see below), whose sum is σ = 26182397556. Its totient is φ = 7218204620.

The previous prime is 15880050377. The next prime is 15880050443. The reversal of 15880050406 is 60405008851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32809780 + ... + 32810263.

It is an arithmetic number, because the mean of its divisors is an integer number (2181866463).

Almost surely, 2^15880050406 is an apocalyptic number.

15880050406 is a deficient number, since it is larger than the sum of its proper divisors (10302347150).

15880050406 is a wasteful number, since it uses less digits than its factorization.

15880050406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65620067 (or 65620056 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 15880050406 in words is "fifteen billion, eight hundred eighty million, fifty thousand, four hundred six".