49885279825920 has 832 divisors, whose sum is σ = 199185501441024. Its totient is φ = 10356035420160.

The previous prime is 49885279825919. The next prime is 49885279825991. The reversal of 49885279825920 is 2952897258894.

It is a super-2 number, since 2×49885279825920² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5738553094 + ... + 5738561786.

Almost surely, 2^{49885279825920} is an apocalyptic number.

49885279825920 is a gapful number since it is divisible by the number (40) 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 49885279825920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99592750720512).

49885279825920 is an abundant number, since it is smaller than the sum of its proper divisors (149300221615104).

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

49885279825920 is a wasteful number, since it uses less digits than its factorization.

49885279825920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956 (or 9934 counting only the distinct ones).

The product of its (nonzero) digits is 2090188800, while the sum is 78.

The spelling of 49885279825920 in words is "forty-nine trillion, eight hundred eighty-five billion, two hundred seventy-nine million, eight hundred twenty-five thousand, nine hundred twenty".