24531997064 has 64 divisors (see below), whose sum is σ = 49908925440. Its totient is φ = 11270983680.

The previous prime is 24531997013. The next prime is 24531997069. The reversal of 24531997064 is 46079913542.

It is not an unprimeable number, because it can be changed into a prime (24531997069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765752 + ... + 797144.

It is an arithmetic number, because the mean of its divisors is an integer number (779826960).

Almost surely, 2^24531997064 is an apocalyptic number.

It is an amenable number.

24531997064 is an abundant number, since it is smaller than the sum of its proper divisors (25376928376).

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

24531997064 is a wasteful number, since it uses less digits than its factorization.

24531997064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31590 (or 31586 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 24531997064 in words is "twenty-four billion, five hundred thirty-one million, nine hundred ninety-seven thousand, sixty-four".