25745342500 has 30 divisors (see below), whose sum is σ = 56299920446. Its totient is φ = 10298136000.

The previous prime is 25745342477. The next prime is 25745342549. The reversal of 25745342500 is 524354752.

It can be written as a sum of positive squares in 5 ways, for example, as 10569073636 + 15176268864 = 102806^2 + 123192^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25745342500.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5146569 + ... + 5151568.

Almost surely, 2^25745342500 is an apocalyptic number.

25745342500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25745342500 is an abundant number, since it is smaller than the sum of its proper divisors (30554577946).

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

25745342500 is a wasteful number, since it uses less digits than its factorization.

25745342500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298161 (or 10298144 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 37.

The spelling of 25745342500 in words is "twenty-five billion, seven hundred forty-five million, three hundred forty-two thousand, five hundred".