48661692840 has 384 divisors, whose sum is σ = 174427344000. Its totient is φ = 12201145344.

The previous prime is 48661692769. The next prime is 48661692847. The reversal of 48661692840 is 4829616684.

48661692840 is a `hidden beast` number, since 486 + 61 + 69 + 2 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (48661692847) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47753851 + ... + 47754869.

It is an arithmetic number, because the mean of its divisors is an integer number (454237875).

Almost surely, 2^48661692840 is an apocalyptic number.

48661692840 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 48661692840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87213672000).

48661692840 is an abundant number, since it is smaller than the sum of its proper divisors (125765651160).

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

48661692840 is a wasteful number, since it uses less digits than its factorization.

48661692840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 48661692840 in words is "forty-eight billion, six hundred sixty-one million, six hundred ninety-two thousand, eight hundred forty".