50720716261440 has 280 divisors, whose sum is σ = 180430801911360. Its totient is φ = 13524902802432.

The previous prime is 50720716261421. The next prime is 50720716261511. The reversal of 50720716261440 is 4416261702705.

50720716261440 is a `hidden beast` number, since 5 + 0 + 7 + 2 + 0 + 7 + 1 + 626 + 14 + 4 + 0 = 666.

It is a super-3 number, since 3×50720716261440³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 956913979 + ... + 956966981.

It is an arithmetic number, because the mean of its divisors is an integer number (644395721112).

Almost surely, 2^{50720716261440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50720716261440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90215400955680).

50720716261440 is an abundant number, since it is smaller than the sum of its proper divisors (129710085649920).

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

50720716261440 is a wasteful number, since it uses less digits than its factorization.

50720716261440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89951 (or 89932 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 50720716261440 in words is "fifty trillion, seven hundred twenty billion, seven hundred sixteen million, two hundred sixty-one thousand, four hundred forty".