50015032440 has 128 divisors (see below), whose sum is σ = 154203678720. Its totient is φ = 12969804800.

The previous prime is 50015032423. The next prime is 50015032517. The reversal of 50015032440 is 4423051005.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50015032440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1513777 + ... + 1546463.

It is an arithmetic number, because the mean of its divisors is an integer number (1204716240).

Almost surely, 2^50015032440 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 50015032440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77101839360).

50015032440 is an abundant number, since it is smaller than the sum of its proper divisors (104188646280).

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

50015032440 is a wasteful number, since it uses less digits than its factorization.

50015032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33053 (or 33049 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 50015032440 its reverse (4423051005), we get a palindrome (54438083445).

The spelling of 50015032440 in words is "fifty billion, fifteen million, thirty-two thousand, four hundred forty".