256356345462 has 64 divisors (see below), whose sum is σ = 589534640640. Its totient is φ = 72798276096.

The previous prime is 256356345457. The next prime is 256356345467. The reversal of 256356345462 is 264543653652.

It is an interprime number because it is at equal distance from previous prime (256356345457) and next prime (256356345467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256356345467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8333113 + ... + 8363819.

It is an arithmetic number, because the mean of its divisors is an integer number (9211478760).

Almost surely, 2^256356345462 is an apocalyptic number.

256356345462 is an abundant number, since it is smaller than the sum of its proper divisors (333178295178).

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

256356345462 is a wasteful number, since it uses less digits than its factorization.

256356345462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31925.

The product of its digits is 15552000, while the sum is 51.

The spelling of 256356345462 in words is "two hundred fifty-six billion, three hundred fifty-six million, three hundred forty-five thousand, four hundred sixty-two".