256302167270 has 128 divisors (see below), whose sum is σ = 496793088000. Its totient is φ = 94988298240.

The previous prime is 256302167267. The next prime is 256302167287. The reversal of 256302167270 is 72761203652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 356469971 + ... + 356470689.

It is an arithmetic number, because the mean of its divisors is an integer number (3881196000).

Almost surely, 2^256302167270 is an apocalyptic number.

256302167270 is a deficient number, since it is larger than the sum of its proper divisors (240490920730).

256302167270 is a wasteful number, since it uses less digits than its factorization.

256302167270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 256302167270 in words is "two hundred fifty-six billion, three hundred two million, one hundred sixty-seven thousand, two hundred seventy".