50390519040 has 576 divisors, whose sum is σ = 185555301120. Its totient is φ = 12939264000.

The previous prime is 50390518973. The next prime is 50390519051. The reversal of 50390519040 is 4091509305.

50390519040 is a `hidden beast` number, since 50 + 3 + 90 + 519 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50390518986 and 50390519004.

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, 200758915 + ... + 200759165.

It is an arithmetic number, because the mean of its divisors is an integer number (322144620).

Almost surely, 2^50390519040 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 50390519040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92777650560).

50390519040 is an abundant number, since it is smaller than the sum of its proper divisors (135164782080).

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

50390519040 is a wasteful number, since it uses less digits than its factorization.

50390519040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The spelling of 50390519040 in words is "fifty billion, three hundred ninety million, five hundred nineteen thousand, forty".