25424504402 has 8 divisors (see below), whose sum is σ = 41603734512. Its totient is φ = 11556592900.

The previous prime is 25424504401. The next prime is 25424504407. The reversal of 25424504402 is 20440542452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25424504401) 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 3 ways as a sum of consecutive naturals, for example, 577829624 + ... + 577829667.

It is an arithmetic number, because the mean of its divisors is an integer number (5200466814).

Almost surely, 2^25424504402 is an apocalyptic number.

25424504402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25424504402 is a deficient number, since it is larger than the sum of its proper divisors (16179230110).

25424504402 is a wasteful number, since it uses less digits than its factorization.

25424504402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155659304.

The product of its (nonzero) digits is 51200, while the sum is 32.

The spelling of 25424504402 in words is "twenty-five billion, four hundred twenty-four million, five hundred four thousand, four hundred two".