25126263740 has 24 divisors (see below), whose sum is σ = 53167946832. Its totient is φ = 9973783040.

The previous prime is 25126263731. The next prime is 25126263761. The reversal of 25126263740 is 4736262152.

It is a junction number, because it is equal to n+sod(n) for n = 25126263694 and 25126263703.

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, 4792469 + ... + 4797708.

It is an arithmetic number, because the mean of its divisors is an integer number (2215331118).

Almost surely, 2^25126263740 is an apocalyptic number.

25126263740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25126263740 is an abundant number, since it is smaller than the sum of its proper divisors (28041683092).

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

25126263740 is a wasteful number, since it uses less digits than its factorization.

25126263740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9590317 (or 9590315 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 25126263740 in words is "twenty-five billion, one hundred twenty-six million, two hundred sixty-three thousand, seven hundred forty".