50455000040 has 16 divisors (see below), whose sum is σ = 113523750180. Its totient is φ = 20182000000.

The previous prime is 50455000021. The next prime is 50455000051. The reversal of 50455000040 is 4000055405.

It can be written as a sum of positive squares in 2 ways, for example, as 49432407556 + 1022592484 = 222334^2 + 31978^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630687461 + ... + 630687540.

Almost surely, 2^50455000040 is an apocalyptic number.

It is an amenable number.

50455000040 is an abundant number, since it is smaller than the sum of its proper divisors (63068750140).

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

50455000040 is a wasteful number, since it uses less digits than its factorization.

50455000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261375012 (or 1261375008 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

Adding to 50455000040 its reverse (4000055405), we get a palindrome (54455055445).

The spelling of 50455000040 in words is "fifty billion, four hundred fifty-five million, forty", and thus it is an aban number.