2499997320 has 48 divisors (see below), whose sum is σ = 8124992460. Its totient is φ = 666665856.

The previous prime is 2499997307. The next prime is 2499997369. The reversal of 2499997320 is 237999942.

It can be written as a sum of positive squares in 2 ways, for example, as 2498600196 + 1397124 = 49986^2 + 1182^2 .

It is a Smith number, since the sum of its digits (54) 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3471859 + ... + 3472578.

Almost surely, 2^2499997320 is an apocalyptic number.

2499997320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2499997320 is an abundant number, since it is smaller than the sum of its proper divisors (5624995140).

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

2499997320 is a wasteful number, since it uses less digits than its factorization.

2499997320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944454 (or 6944447 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 2499997320 is about 49999.9731999928. The cubic root of 2499997320 is about 1357.2083233213.

The spelling of 2499997320 in words is "two billion, four hundred ninety-nine million, nine hundred ninety-seven thousand, three hundred twenty".