56638042346 has 8 divisors (see below), whose sum is σ = 84994946784. Its totient is φ = 28306393420.

The previous prime is 56638042319. The next prime is 56638042387. The reversal of 56638042346 is 64324083665.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56638042346.

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, 6308270 + ... + 6317241.

It is an arithmetic number, because the mean of its divisors is an integer number (10624368348).

Almost surely, 2^56638042346 is an apocalyptic number.

56638042346 is a deficient number, since it is larger than the sum of its proper divisors (28356904438).

56638042346 is a wasteful number, since it uses less digits than its factorization.

56638042346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12627756.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 56638042346 in words is "fifty-six billion, six hundred thirty-eight million, forty-two thousand, three hundred forty-six".