2500667904 has 160 divisors (see below), whose sum is σ = 8062091136. Its totient is φ = 672399360.

The previous prime is 2500667899. The next prime is 2500667929. The reversal of 2500667904 is 4097660052.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175944 + ... + 189624.

Almost surely, 2^2500667904 is an apocalyptic number.

2500667904 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 2500667904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4031045568).

2500667904 is an abundant number, since it is smaller than the sum of its proper divisors (5561423232).

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

2500667904 is a wasteful number, since it uses less digits than its factorization.

2500667904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726 (or 13710 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2500667904 is about 50006.6785939638. The cubic root of 2500667904 is about 1357.3296622278.

The spelling of 2500667904 in words is "two billion, five hundred million, six hundred sixty-seven thousand, nine hundred four".