2478539344 has 40 divisors (see below), whose sum is σ = 5137124328. Its totient is φ = 1154334720.

The previous prime is 2478539309. The next prime is 2478539347. The reversal of 2478539344 is 4439358742.

It can be written as a sum of positive squares in 4 ways, for example, as 342990400 + 2135548944 = 18520^2 + 46212^2 .

It is a super-2 number, since 2×2478539344² = 12286314559511900672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478539347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20587 + ... + 73354.

Almost surely, 2^2478539344 is an apocalyptic number.

It is an amenable number.

2478539344 is an abundant number, since it is smaller than the sum of its proper divisors (2658584984).

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

2478539344 is a wasteful number, since it uses less digits than its factorization.

2478539344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94063 (or 94057 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The square root of 2478539344 is about 49784.9308927912. The cubic root of 2478539344 is about 1353.3140970246.

The spelling of 2478539344 in words is "two billion, four hundred seventy-eight million, five hundred thirty-nine thousand, three hundred forty-four".