50980285440 has 880 divisors, whose sum is σ = 221277621312. Its totient is φ = 10956570624.

The previous prime is 50980285429. The next prime is 50980285459. The reversal of 50980285440 is 4458208905.

50980285440 is a `hidden beast` number, since 5 + 0 + 9 + 80 + 28 + 544 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49351164 + ... + 49352196.

Almost surely, 2^50980285440 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 50980285440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110638810656).

50980285440 is an abundant number, since it is smaller than the sum of its proper divisors (170297335872).

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

50980285440 is a wasteful number, since it uses less digits than its factorization.

50980285440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 50980285440 in words is "fifty billion, nine hundred eighty million, two hundred eighty-five thousand, four hundred forty".