24420504397772 has 12 divisors (see below), whose sum is σ = 48841008795600. Its totient is φ = 10465930456176.

The previous prime is 24420504397771. The next prime is 24420504397829. The reversal of 24420504397772 is 27779340502442.

24420504397772 is an admirable number.

It is a super-2 number, since 2×24420504397772² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24420504397771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436080435647 + ... + 436080435702.

It is an arithmetic number, because the mean of its divisors is an integer number (4070084066300).

Almost surely, 2^{24420504397772} is an apocalyptic number.

It is an amenable number.

24420504397772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

24420504397772 is a wasteful number, since it uses less digits than its factorization.

24420504397772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872160871360 (or 872160871358 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 24420504397772 in words is "twenty-four trillion, four hundred twenty billion, five hundred four million, three hundred ninety-seven thousand, seven hundred seventy-two".