25740028132 has 48 divisors (see below), whose sum is σ = 56938470400. Its totient is φ = 9907650432.

The previous prime is 25740028091. The next prime is 25740028141. The reversal of 25740028132 is 23182004752.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942132 + ... + 969067.

Almost surely, 2^25740028132 is an apocalyptic number.

It is an amenable number.

25740028132 is an abundant number, since it is smaller than the sum of its proper divisors (31198442268).

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

25740028132 is a wasteful number, since it uses less digits than its factorization.

25740028132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911260 (or 1911258 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 25740028132 in words is "twenty-five billion, seven hundred forty million, twenty-eight thousand, one hundred thirty-two".