50401612800 has 1056 divisors, whose sum is σ = 231003786240. Its totient is φ = 10462003200.

The previous prime is 50401612799. The next prime is 50401612813. The reversal of 50401612800 is 821610405.

50401612800 is a `hidden beast` number, since 5 + 0 + 40 + 1 + 612 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a super-2 number, since 2×50401612800² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53221927 + ... + 53222873.

Almost surely, 2^50401612800 is an apocalyptic number.

50401612800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50401612800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115501893120).

50401612800 is an abundant number, since it is smaller than the sum of its proper divisors (180602173440).

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

50401612800 is a wasteful number, since it uses less digits than its factorization.

50401612800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 50401612800 in words is "fifty billion, four hundred one million, six hundred twelve thousand, eight hundred".