56400235390 has 16 divisors (see below), whose sum is σ = 102661104240. Its totient is φ = 22306609600.

The previous prime is 56400235357. The next prime is 56400235421. The reversal of 56400235390 is 9353200465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31684636 + ... + 31686415.

It is an arithmetic number, because the mean of its divisors is an integer number (6416319015).

Almost surely, 2^56400235390 is an apocalyptic number.

56400235390 is a deficient number, since it is larger than the sum of its proper divisors (46260868850).

56400235390 is a wasteful number, since it uses less digits than its factorization.

56400235390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63371147.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 56400235390 in words is "fifty-six billion, four hundred million, two hundred thirty-five thousand, three hundred ninety".