2504036440 has 32 divisors (see below), whose sum is σ = 5689874160. Its totient is φ = 991696000.

The previous prime is 2504036411. The next prime is 2504036441. The reversal of 2504036440 is 446304052.

It is a junction number, because it is equal to n+sod(n) for n = 2504036399 and 2504036408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504036441) 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, 305866 + ... + 313945.

Almost surely, 2^2504036440 is an apocalyptic number.

2504036440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2504036440 is an abundant number, since it is smaller than the sum of its proper divisors (3185837720).

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

2504036440 is a wasteful number, since it uses less digits than its factorization.

2504036440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619923 (or 619919 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2504036440 is about 50040.3481202919. The cubic root of 2504036440 is about 1357.9388544563.

The spelling of 2504036440 in words is "two billion, five hundred four million, thirty-six thousand, four hundred forty".