25745429740 has 24 divisors (see below), whose sum is σ = 54106950240. Its totient is φ = 10290258048.

The previous prime is 25745429729. The next prime is 25745429767. The reversal of 25745429740 is 4792454752.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 467905 + ... + 520024.

It is an arithmetic number, because the mean of its divisors is an integer number (2254456260).

Almost surely, 2^25745429740 is an apocalyptic number.

25745429740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25745429740 is an abundant number, since it is smaller than the sum of its proper divisors (28361520500).

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

25745429740 is a wasteful number, since it uses less digits than its factorization.

25745429740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989241 (or 989239 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 25745429740 in words is "twenty-five billion, seven hundred forty-five million, four hundred twenty-nine thousand, seven hundred forty".