50238656540 has 48 divisors (see below), whose sum is σ = 107533627488. Its totient is φ = 19708625664.

The previous prime is 50238656537. The next prime is 50238656549. The reversal of 50238656540 is 4565683205.

It is a super-2 number, since 2×50238656540² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50238656491 and 50238656500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50238656549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3260294 + ... + 3275666.

It is an arithmetic number, because the mean of its divisors is an integer number (2240283906).

Almost surely, 2^50238656540 is an apocalyptic number.

It is an amenable number.

50238656540 is an abundant number, since it is smaller than the sum of its proper divisors (57294970948).

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

50238656540 is a wasteful number, since it uses less digits than its factorization.

50238656540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518 (or 18516 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 50238656540 in words is "fifty billion, two hundred thirty-eight million, six hundred fifty-six thousand, five hundred forty".