15442210406256 has 80 divisors (see below), whose sum is σ = 40017528714240. Its totient is φ = 5131280010240.

The previous prime is 15442210406237. The next prime is 15442210406303. The reversal of 15442210406256 is 65260401224451.

It is a congruent number.

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, 19276065 + ... + 20061183.

It is an arithmetic number, because the mean of its divisors is an integer number (500219108928).

Almost surely, 2^{15442210406256} is an apocalyptic number.

15442210406256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15442210406256 is an abundant number, since it is smaller than the sum of its proper divisors (24575318307984).

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

15442210406256 is a wasteful number, since it uses less digits than its factorization.

15442210406256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786414 (or 786408 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 15442210406256 in words is "fifteen trillion, four hundred forty-two billion, two hundred ten million, four hundred six thousand, two hundred fifty-six".