48909791240 has 32 divisors (see below), whose sum is σ = 110244651480. Its totient is φ = 19528783872.

The previous prime is 48909791237. The next prime is 48909791261. The reversal of 48909791240 is 4219790984.

It can be written as a sum of positive squares in 4 ways, for example, as 25075989316 + 23833801924 = 158354^2 + 154382^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075337 + ... + 1119896.

Almost surely, 2^48909791240 is an apocalyptic number.

48909791240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48909791240 is an abundant number, since it is smaller than the sum of its proper divisors (61334860240).

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

48909791240 is a wasteful number, since it uses less digits than its factorization.

48909791240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195801 (or 2195797 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 48909791240 in words is "forty-eight billion, nine hundred nine million, seven hundred ninety-one thousand, two hundred forty".