24640105425 has 24 divisors (see below), whose sum is σ = 43872025344. Its totient is φ = 12130512960.

The previous prime is 24640105423. The next prime is 24640105429. The reversal of 24640105425 is 52450104642.

It is not a de Polignac number, because 24640105425 - 2¹ = 24640105423 is a prime.

It is a super-2 number, since 2×24640105425² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24640105423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12634977 + ... + 12636926.

It is an arithmetic number, because the mean of its divisors is an integer number (1828001056).

Almost surely, 2^24640105425 is an apocalyptic number.

24640105425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24640105425 is a deficient number, since it is larger than the sum of its proper divisors (19231919919).

24640105425 is a wasteful number, since it uses less digits than its factorization.

24640105425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25271929 (or 25271924 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 24640105425 in words is "twenty-four billion, six hundred forty million, one hundred five thousand, four hundred twenty-five".