49312441920 has 224 divisors, whose sum is σ = 188351769600. Its totient is φ = 10678155264.

The previous prime is 49312441879. The next prime is 49312441931. The reversal of 49312441920 is 2914421394.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×49312441920² (a number of 22 digits) contains 22 as substring.

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, 65430 + ... + 320789.

Almost surely, 2^49312441920 is an apocalyptic number.

49312441920 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 49312441920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94175884800).

49312441920 is an abundant number, since it is smaller than the sum of its proper divisors (139039327680).

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

49312441920 is a wasteful number, since it uses less digits than its factorization.

49312441920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386265 (or 386255 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 49312441920 in words is "forty-nine billion, three hundred twelve million, four hundred forty-one thousand, nine hundred twenty".