24798721612 has 24 divisors (see below), whose sum is σ = 49600889856. Its totient is φ = 10627285008.

The previous prime is 24798721589. The next prime is 24798721631. The reversal of 24798721612 is 21612789742.

It is a super-2 number, since 2×24798721612² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623103 + ... + 661705.

It is an arithmetic number, because the mean of its divisors is an integer number (2066703744).

Almost surely, 2^24798721612 is an apocalyptic number.

It is an amenable number.

24798721612 is an abundant number, since it is smaller than the sum of its proper divisors (24802168244).

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

24798721612 is a wasteful number, since it uses less digits than its factorization.

24798721612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61557 (or 61555 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The spelling of 24798721612 in words is "twenty-four billion, seven hundred ninety-eight million, seven hundred twenty-one thousand, six hundred twelve".