48618440 has 32 divisors (see below), whose sum is σ = 117807480. Its totient is φ = 17951232.

The previous prime is 48618433. The next prime is 48618461. The reversal of 48618440 is 4481684.

It can be written as a sum of positive squares in 4 ways, for example, as 38365636 + 10252804 = 6194^2 + 3202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 48618440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46229 + ... + 47268.

Almost surely, 2^48618440 is an apocalyptic number.

48618440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48618440 is an abundant number, since it is smaller than the sum of its proper divisors (69189040).

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

48618440 is a wasteful number, since it uses less digits than its factorization.

48618440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93521 (or 93517 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 48618440 is about 6972.6924498360. The cubic root of 48618440 is about 364.9782685504.

The spelling of 48618440 in words is "forty-eight million, six hundred eighteen thousand, four hundred forty".