50861636040720 has 40 divisors (see below), whose sum is σ = 157671071726976. Its totient is φ = 13563102944128.

The previous prime is 50861636040641. The next prime is 50861636040799. The reversal of 50861636040720 is 2704063616805.

It is an interprime number because it is at equal distance from previous prime (50861636040641) and next prime (50861636040799).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 50861636040720.

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, 105961741512 + ... + 105961741991.

Almost surely, 2^{50861636040720} is an apocalyptic number.

It is an amenable number.

50861636040720 is an abundant number, since it is smaller than the sum of its proper divisors (106809435686256).

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

50861636040720 is a wasteful number, since it uses less digits than its factorization.

50861636040720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211923483519 (or 211923483513 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 50861636040720 in words is "fifty trillion, eight hundred sixty-one billion, six hundred thirty-six million, forty thousand, seven hundred twenty".