256054706370 has 48 divisors (see below), whose sum is σ = 665776795320. Its totient is φ = 68277710592.

The previous prime is 256054706363. The next prime is 256054706371. The reversal of 256054706370 is 73607450652.

256054706370 is a `hidden beast` number, since 2 + 5 + 6 + 0 + 5 + 4 + 7 + 0 + 637 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 193474180449 + 62580525921 = 439857^2 + 250161^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (256054706371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1987476 + ... + 2112384.

Almost surely, 2^256054706370 is an apocalyptic number.

256054706370 is an abundant number, since it is smaller than the sum of its proper divisors (409722088950).

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

256054706370 is a wasteful number, since it uses less digits than its factorization.

256054706370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147699 (or 147696 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 256054706370 in words is "two hundred fifty-six billion, fifty-four million, seven hundred six thousand, three hundred seventy".