2489904635904 has 672 divisors, whose sum is σ = 8932986716160. Its totient is φ = 652138905600.

The previous prime is 2489904635857. The next prime is 2489904635917. The reversal of 2489904635904 is 4095364099842.

2489904635904 is a `hidden beast` number, since 2 + 4 + 89 + 9 + 0 + 463 + 5 + 90 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303976449 + ... + 303984639.

Almost surely, 2^{2489904635904} is an apocalyptic number.

2489904635904 is a gapful number since it is divisible by the number (24) 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 2489904635904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4466493358080).

2489904635904 is an abundant number, since it is smaller than the sum of its proper divisors (6443082080256).

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

2489904635904 is a wasteful number, since it uses less digits than its factorization.

2489904635904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280 (or 8253 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 2489904635904 in words is "two trillion, four hundred eighty-nine billion, nine hundred four million, six hundred thirty-five thousand, nine hundred four".