256454474360 has 64 divisors (see below), whose sum is σ = 659603736000. Its totient is φ = 87907332096.

The previous prime is 256454474329. The next prime is 256454474377. The reversal of 256454474360 is 63474454652.

256454474360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256454474299 and 256454474308.

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, 1162166 + ... + 1365114.

It is an arithmetic number, because the mean of its divisors is an integer number (10306308375).

Almost surely, 2^256454474360 is an apocalyptic number.

256454474360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256454474360 is an abundant number, since it is smaller than the sum of its proper divisors (403149261640).

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

256454474360 is a wasteful number, since it uses less digits than its factorization.

256454474360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207480 (or 207476 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 50.

The spelling of 256454474360 in words is "two hundred fifty-six billion, four hundred fifty-four million, four hundred seventy-four thousand, three hundred sixty".