24986970840 has 128 divisors (see below), whose sum is σ = 82250562240. Its totient is φ = 6034569216.

The previous prime is 24986970829. The next prime is 24986970863. The reversal of 24986970840 is 4807968942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68427 + ... + 233786.

Almost surely, 2^24986970840 is an apocalyptic number.

24986970840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24986970840 is an abundant number, since it is smaller than the sum of its proper divisors (57263591400).

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

24986970840 is a wasteful number, since it uses less digits than its factorization.

24986970840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302293 (or 302289 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 24986970840 in words is "twenty-four billion, nine hundred eighty-six million, nine hundred seventy thousand, eight hundred forty".