24992257972 has 24 divisors (see below), whose sum is σ = 47722413312. Its totient is φ = 11357755200.

The previous prime is 24992257951. The next prime is 24992257973. The reversal of 24992257972 is 27975229942.

It is a super-2 number, since 2×24992257972² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24992257973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164472 + ... + 277552.

It is an arithmetic number, because the mean of its divisors is an integer number (1988433888).

Almost surely, 2^24992257972 is an apocalyptic number.

24992257972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

24992257972 is a deficient number, since it is larger than the sum of its proper divisors (22730155340).

24992257972 is a wasteful number, since it uses less digits than its factorization.

24992257972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118119 (or 118117 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 58.

The spelling of 24992257972 in words is "twenty-four billion, nine hundred ninety-two million, two hundred fifty-seven thousand, nine hundred seventy-two".