25500545046 has 24 divisors (see below), whose sum is σ = 55269906120. Its totient is φ = 8497300896.

The previous prime is 25500545029. The next prime is 25500545051. The reversal of 25500545046 is 64054500552.

25500545046 is a `hidden beast` number, since 2 + 550 + 0 + 54 + 50 + 4 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25500545046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185140 + ... + 292023.

It is an arithmetic number, because the mean of its divisors is an integer number (2302912755).

Almost surely, 2^25500545046 is an apocalyptic number.

25500545046 is an abundant number, since it is smaller than the sum of its proper divisors (29769361074).

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

25500545046 is a wasteful number, since it uses less digits than its factorization.

25500545046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480140 (or 480137 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 25500545046 in words is "twenty-five billion, five hundred million, five hundred forty-five thousand, forty-six".