25026400001388 has 48 divisors (see below), whose sum is σ = 58539500330976. Its totient is φ = 8321505000960.

The previous prime is 25026400001371. The next prime is 25026400001441. The reversal of 25026400001388 is 88310000462052.

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, 6808920 + ... + 9819072.

It is an arithmetic number, because the mean of its divisors is an integer number (1219572923562).

Almost surely, 2^{25026400001388} is an apocalyptic number.

It is an amenable number.

25026400001388 is an abundant number, since it is smaller than the sum of its proper divisors (33513100329588).

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

25026400001388 is a wasteful number, since it uses less digits than its factorization.

25026400001388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011874 (or 3011872 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 25026400001388 in words is "twenty-five trillion, twenty-six billion, four hundred million, one thousand, three hundred eighty-eight".