50440530432 has 80 divisors (see below), whose sum is σ = 134566565760. Its totient is φ = 16789757952.

The previous prime is 50440530353. The next prime is 50440530449. The reversal of 50440530432 is 23403504405.

It is a super-2 number, since 2×50440530432² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50440530432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081548 + ... + 1127220.

It is an arithmetic number, because the mean of its divisors is an integer number (1682082072).

Almost surely, 2^50440530432 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 50440530432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67283282880).

50440530432 is an abundant number, since it is smaller than the sum of its proper divisors (84126035328).

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

50440530432 is an equidigital number, since it uses as much as digits as its factorization.

50440530432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46413 (or 46397 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 50440530432 in words is "fifty billion, four hundred forty million, five hundred thirty thousand, four hundred thirty-two".