25066256460 has 48 divisors (see below), whose sum is σ = 80212022016. Its totient is φ = 5729429952.

The previous prime is 25066256447. The next prime is 25066256491. The reversal of 25066256460 is 6465266052.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 29840362 + ... + 29841201.

It is an arithmetic number, because the mean of its divisors is an integer number (1671083792).

Almost surely, 2^25066256460 is an apocalyptic number.

25066256460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25066256460 is an abundant number, since it is smaller than the sum of its proper divisors (55145765556).

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

25066256460 is a wasteful number, since it uses less digits than its factorization.

25066256460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59681582 (or 59681580 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 25066256460 in words is "twenty-five billion, sixty-six million, two hundred fifty-six thousand, four hundred sixty".