256552342 has 16 divisors (see below), whose sum is σ = 402278400. Its totient is φ = 122564520.

The previous prime is 256552333. The next prime is 256552349. The reversal of 256552342 is 243255652.

It is a junction number, because it is equal to n+sod(n) for n = 256552298 and 256552307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256552349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21292 + ... + 31087.

It is an arithmetic number, because the mean of its divisors is an integer number (25142400).

Almost surely, 2^256552342 is an apocalyptic number.

256552342 is a deficient number, since it is larger than the sum of its proper divisors (145726058).

256552342 is a wasteful number, since it uses less digits than its factorization.

256552342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52491.

The product of its digits is 72000, while the sum is 34.

The square root of 256552342 is about 16017.2513871763. The cubic root of 256552342 is about 635.4167533105.

The spelling of 256552342 in words is "two hundred fifty-six million, five hundred fifty-two thousand, three hundred forty-two".