251076042 has 48 divisors (see below), whose sum is σ = 622702080. Its totient is φ = 71621856.

The previous prime is 251075977. The next prime is 251076071. The reversal of 251076042 is 240670152.

251076042 is a `hidden beast` number, since 2 + 51 + 0 + 7 + 604 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 251075997 and 251076015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107584 + ... + 109892.

It is an arithmetic number, because the mean of its divisors is an integer number (12972960).

Almost surely, 2^251076042 is an apocalyptic number.

251076042 is an abundant number, since it is smaller than the sum of its proper divisors (371626038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251076042 is a wasteful number, since it uses less digits than its factorization.

251076042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3184 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 251076042 is about 15845.3792002590. The cubic root of 251076042 is about 630.8630499545.

The spelling of 251076042 in words is "two hundred fifty-one million, seventy-six thousand, forty-two".