25048457910 has 288 divisors, whose sum is σ = 79051781952. Its totient is φ = 5389701120.

The previous prime is 25048457899. The next prime is 25048457933. The reversal of 25048457910 is 1975484052.

25048457910 is a `hidden beast` number, since 2 + 504 + 8 + 4 + 57 + 91 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 54810402 + ... + 54810858.

It is an arithmetic number, because the mean of its divisors is an integer number (274485354).

Almost surely, 2^25048457910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25048457910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39525890976).

25048457910 is an abundant number, since it is smaller than the sum of its proper divisors (54003324042).

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

25048457910 is a wasteful number, since it uses less digits than its factorization.

25048457910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 25048457910 in words is "twenty-five billion, forty-eight million, four hundred fifty-seven thousand, nine hundred ten".