256030314645 has 32 divisors (see below), whose sum is σ = 468941119488. Its totient is φ = 116849579328.

The previous prime is 256030314637. The next prime is 256030314667. The reversal of 256030314645 is 546413030652.

It is not a de Polignac number, because 256030314645 - 2³ = 256030314637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1944819 + ... + 2072288.

It is an arithmetic number, because the mean of its divisors is an integer number (14654409984).

Almost surely, 2^256030314645 is an apocalyptic number.

It is an amenable number.

256030314645 is a deficient number, since it is larger than the sum of its proper divisors (212910804843).

256030314645 is a wasteful number, since it uses less digits than its factorization.

256030314645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017729.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 256030314645 in words is "two hundred fifty-six billion, thirty million, three hundred fourteen thousand, six hundred forty-five".