2504664740 has 72 divisors (see below), whose sum is σ = 5881727040. Its totient is φ = 893265408.

The previous prime is 2504664737. The next prime is 2504664793. The reversal of 2504664740 is 474664052.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 2504664694 and 2504664703.

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 23 ways as a sum of consecutive naturals, for example, 98417 + ... + 121223.

Almost surely, 2^2504664740 is an apocalyptic number.

2504664740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2504664740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940863520).

2504664740 is an abundant number, since it is smaller than the sum of its proper divisors (3377062300).

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

2504664740 is a wasteful number, since it uses less digits than its factorization.

2504664740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22869 (or 22850 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 2504664740 is about 50046.6256604779. The cubic root of 2504664740 is about 1358.0524206460.

The spelling of 2504664740 in words is "two billion, five hundred four million, six hundred sixty-four thousand, seven hundred forty".