657364042 has 8 divisors (see below), whose sum is σ = 986181696. Its totient is φ = 328636812.

The previous prime is 657364039. The next prime is 657364061. The reversal of 657364042 is 240463756.

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

It is a junction number, because it is equal to n+sod(n) for n = 657363992 and 657364010.

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, 153 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (123272712).

Almost surely, 2^657364042 is an apocalyptic number.

657364042 is a deficient number, since it is larger than the sum of its proper divisors (328817654).

657364042 is a wasteful number, since it uses less digits than its factorization.

657364042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45212.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 657364042 is about 25639.1115680712. Note that the first 3 decimals coincide. The cubic root of 657364042 is about 869.4981215989.

The spelling of 657364042 in words is "six hundred fifty-seven million, three hundred sixty-four thousand, forty-two".