48847557990 has 256 divisors, whose sum is σ = 152188139520. Its totient is φ = 9739284480.

The previous prime is 48847557947. The next prime is 48847558009. The reversal of 48847557990 is 9975574884.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6235396 + ... + 6243224.

It is an arithmetic number, because the mean of its divisors is an integer number (594484920).

Almost surely, 2^48847557990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48847557990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76094069760).

48847557990 is an abundant number, since it is smaller than the sum of its proper divisors (103340581530).

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

48847557990 is a wasteful number, since it uses less digits than its factorization.

48847557990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967.

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 48847557990 in words is "forty-eight billion, eight hundred forty-seven million, five hundred fifty-seven thousand, nine hundred ninety".