256052630654 has 8 divisors (see below), whose sum is σ = 387010846728. Its totient is φ = 127049015080.

The previous prime is 256052630651. The next prime is 256052630719. The reversal of 256052630654 is 456036250652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256052630651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488649797 + ... + 488650320.

It is an arithmetic number, because the mean of its divisors is an integer number (48376355841).

Almost surely, 2^256052630654 is an apocalyptic number.

256052630654 is a deficient number, since it is larger than the sum of its proper divisors (130958216074).

256052630654 is a wasteful number, since it uses less digits than its factorization.

256052630654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977300250.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 256052630654 in words is "two hundred fifty-six billion, fifty-two million, six hundred thirty thousand, six hundred fifty-four".