25026400001390 has 16 divisors (see below), whose sum is σ = 45811037291760. Its totient is φ = 9840889491840.

The previous prime is 25026400001371. The next prime is 25026400001441. The reversal of 25026400001390 is 9310000462052.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21208812971 + ... + 21208814150.

It is an arithmetic number, because the mean of its divisors is an integer number (2863189830735).

Almost surely, 2^{25026400001390} is an apocalyptic number.

25026400001390 is a deficient number, since it is larger than the sum of its proper divisors (20784637290370).

25026400001390 is a wasteful number, since it uses less digits than its factorization.

25026400001390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42417627187.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 25026400001390 in words is "twenty-five trillion, twenty-six billion, four hundred million, one thousand, three hundred ninety".