256058242 has 8 divisors (see below), whose sum is σ = 419004432. Its totient is φ = 116390100.

The previous prime is 256058239. The next prime is 256058263. The reversal of 256058242 is 242850652.

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

It is a super-2 number, since 2×256058242² = 131131646592261128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256058198 and 256058207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5819484 + ... + 5819527.

It is an arithmetic number, because the mean of its divisors is an integer number (52375554).

Almost surely, 2^256058242 is an apocalyptic number.

256058242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

256058242 is a deficient number, since it is larger than the sum of its proper divisors (162946190).

256058242 is a wasteful number, since it uses less digits than its factorization.

256058242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639024.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 256058242 is about 16001.8199589922. The cubic root of 256058242 is about 635.0085699548.

The spelling of 256058242 in words is "two hundred fifty-six million, fifty-eight thousand, two hundred forty-two".