50142016440 has 320 divisors, whose sum is σ = 171934630560. Its totient is φ = 13104046080.

The previous prime is 50142016439. The next prime is 50142016447. The reversal of 50142016440 is 4461024105.

50142016440 is a `hidden beast` number, since 5 + 0 + 14 + 2 + 0 + 1 + 644 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50142016447) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 36841360 + ... + 36842720.

Almost surely, 2^50142016440 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 50142016440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85967315280).

50142016440 is an abundant number, since it is smaller than the sum of its proper divisors (121792614120).

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

50142016440 is a wasteful number, since it uses less digits than its factorization.

50142016440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 50142016440 in words is "fifty billion, one hundred forty-two million, sixteen thousand, four hundred forty".