24940621475 has 72 divisors (see below), whose sum is σ = 39386260368. Its totient is φ = 15491884800.

The previous prime is 24940621463. The next prime is 24940621507. The reversal of 24940621475 is 57412604942.

It is a Cunningham number, because it is equal to 157926²-1.

It is not a de Polignac number, because 24940621475 - 2⁶ = 24940621411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3945017 + ... + 3951333.

It is an arithmetic number, because the mean of its divisors is an integer number (547031394).

Almost surely, 2^24940621475 is an apocalyptic number.

24940621475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

24940621475 is a deficient number, since it is larger than the sum of its proper divisors (14445638893).

24940621475 is a wasteful number, since it uses less digits than its factorization.

24940621475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645 (or 6633 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 24940621475 in words is "twenty-four billion, nine hundred forty million, six hundred twenty-one thousand, four hundred seventy-five".