24640120505 has 32 divisors (see below), whose sum is σ = 39699894528. Its totient is φ = 14178528000.

The previous prime is 24640120471. The next prime is 24640120523. The reversal of 24640120505 is 50502104642.

It is not a de Polignac number, because 24640120505 - 2⁸ = 24640120249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2456546 + ... + 2466555.

It is an arithmetic number, because the mean of its divisors is an integer number (1240621704).

Almost surely, 2^24640120505 is an apocalyptic number.

It is an amenable number.

24640120505 is a deficient number, since it is larger than the sum of its proper divisors (15059774023).

24640120505 is a wasteful number, since it uses less digits than its factorization.

24640120505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923137.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 24640120505 in words is "twenty-four billion, six hundred forty million, one hundred twenty thousand, five hundred five".