256078302955 has 16 divisors (see below), whose sum is σ = 315694711584. Its totient is φ = 199265495040.

The previous prime is 256078302899. The next prime is 256078302971. The reversal of 256078302955 is 559203870652.

It is not a de Polignac number, because 256078302955 - 2¹³ = 256078294763 is a prime.

It is a Duffinian 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, 408459 + ... + 824011.

It is an arithmetic number, because the mean of its divisors is an integer number (19730919474).

Almost surely, 2^256078302955 is an apocalyptic number.

256078302955 is a deficient number, since it is larger than the sum of its proper divisors (59616408629).

256078302955 is a wasteful number, since it uses less digits than its factorization.

256078302955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418926.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 256078302955 in words is "two hundred fifty-six billion, seventy-eight million, three hundred two thousand, nine hundred fifty-five".