48122640 has 80 divisors (see below), whose sum is σ = 165763200. Its totient is φ = 12832128.

The previous prime is 48122623. The next prime is 48122663. The reversal of 48122640 is 4622184.

48122640 is a `hidden beast` number, since 4 + 8 + 12 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8980 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (2072040).

Almost surely, 2^48122640 is an apocalyptic number.

48122640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48122640 is an abundant number, since it is smaller than the sum of its proper divisors (117640560).

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

48122640 is a wasteful number, since it uses less digits than its factorization.

48122640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22301 (or 22289 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 48122640 is about 6937.0483636775. The cubic root of 48122640 is about 363.7333715430.

The spelling of 48122640 in words is "forty-eight million, one hundred twenty-two thousand, six hundred forty".