48999815640000 has 840 divisors, whose sum is σ = 177514170882048. Its totient is φ = 12917802240000.

The previous prime is 48999815639993. The next prime is 48999815640019. The reversal of 48999815640000 is 4651899984.

48999815640000 is a `hidden beast` number, since 4 + 8 + 99 + 98 + 1 + 56 + 400 + 0 + 0 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 48999815640000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 14036038255 + ... + 14036041745.

Almost surely, 2^{48999815640000} is an apocalyptic number.

48999815640000 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 48999815640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88757085441024).

48999815640000 is an abundant number, since it is smaller than the sum of its proper divisors (128514355242048).

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

48999815640000 is a wasteful number, since it uses less digits than its factorization.

48999815640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963 (or 3935 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 48999815640000 in words is "forty-eight trillion, nine hundred ninety-nine billion, eight hundred fifteen million, six hundred forty thousand".