24979697952 has 96 divisors (see below), whose sum is σ = 74642964480. Its totient is φ = 7240485120.

The previous prime is 24979697933. The next prime is 24979697957. The reversal of 24979697952 is 25979697942.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (24979697957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489952 + ... + 538527.

It is an arithmetic number, because the mean of its divisors is an integer number (777530880).

Almost surely, 2^24979697952 is an apocalyptic number.

24979697952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

24979697952 is an abundant number, since it is smaller than the sum of its proper divisors (49663266528).

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

24979697952 is a wasteful number, since it uses less digits than its factorization.

24979697952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028526 (or 1028518 counting only the distinct ones).

The product of its digits is 154314720, while the sum is 69.

The spelling of 24979697952 in words is "twenty-four billion, nine hundred seventy-nine million, six hundred ninety-seven thousand, nine hundred fifty-two".