50400558690 has 16 divisors (see below), whose sum is σ = 120961340928. Its totient is φ = 13440148976.

The previous prime is 50400558673. The next prime is 50400558737. The reversal of 50400558690 is 9685500405.

It is a super-2 number, since 2×50400558690² (a number of 22 digits) contains 22 as substring.

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, 840009282 + ... + 840009341.

It is an arithmetic number, because the mean of its divisors is an integer number (7560083808).

Almost surely, 2^50400558690 is an apocalyptic number.

50400558690 is an abundant number, since it is smaller than the sum of its proper divisors (70560782238).

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

50400558690 is a wasteful number, since it uses less digits than its factorization.

50400558690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680018633.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 50400558690 in words is "fifty billion, four hundred million, five hundred fifty-eight thousand, six hundred ninety".