50401313474640 has 320 divisors, whose sum is σ = 158148449851392. Its totient is φ = 13277759846400.

The previous prime is 50401313474599. The next prime is 50401313474657. The reversal of 50401313474640 is 4647431310405.

It is a junction number, because it is equal to n+sod(n) for n = 50401313474592 and 50401313474601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5160363037 + ... + 5160372803.

Almost surely, 2^{50401313474640} 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 50401313474640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79074224925696).

50401313474640 is an abundant number, since it is smaller than the sum of its proper divisors (107747136376752).

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

50401313474640 is a wasteful number, since it uses less digits than its factorization.

50401313474640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10738 (or 10732 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 50401313474640 in words is "fifty trillion, four hundred one billion, three hundred thirteen million, four hundred seventy-four thousand, six hundred forty".