2500661424 has 40 divisors (see below), whose sum is σ = 6524015472. Its totient is φ = 825299200.

The previous prime is 2500661417. The next prime is 2500661437. The reversal of 2500661424 is 4241660052.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2500661391 and 2500661400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253059 + ... + 262754.

Almost surely, 2^2500661424 is an apocalyptic number.

2500661424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2500661424 is an abundant number, since it is smaller than the sum of its proper divisors (4023354048).

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

2500661424 is a wasteful number, since it uses less digits than its factorization.

2500661424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515925 (or 515919 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2500661424 is about 50006.6138025762. The cubic root of 2500661424 is about 1357.3284898072.

The spelling of 2500661424 in words is "two billion, five hundred million, six hundred sixty-one thousand, four hundred twenty-four".