48231918 has 48 divisors (see below), whose sum is σ = 125723520. Its totient is φ = 13054608.

The previous prime is 48231889. The next prime is 48231977. The reversal of 48231918 is 81913284.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 7680 + ... + 12467.

It is an arithmetic number, because the mean of its divisors is an integer number (2619240).

Almost surely, 2^48231918 is an apocalyptic number.

48231918 is an abundant number, since it is smaller than the sum of its proper divisors (77491602).

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

48231918 is a wasteful number, since it uses less digits than its factorization.

48231918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20181 (or 20178 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 48231918 is about 6944.9203019185. The cubic root of 48231918 is about 364.0084881086.

It can be divided in two parts, 482 and 31918, that added together give a square (32400 = 180²).

The spelling of 48231918 in words is "forty-eight million, two hundred thirty-one thousand, nine hundred eighteen".