25550048832 has 168 divisors, whose sum is σ = 85787362080. Its totient is φ = 6636349440.

The previous prime is 25550048819. The next prime is 25550048861. The reversal of 25550048832 is 23884005552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

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 23 ways as a sum of consecutive naturals, for example, 19957 + ... + 226932.

It is an arithmetic number, because the mean of its divisors is an integer number (510639060).

Almost surely, 2^25550048832 is an apocalyptic number.

25550048832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25550048832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42893681040).

25550048832 is an abundant number, since it is smaller than the sum of its proper divisors (60237313248).

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

25550048832 is a wasteful number, since it uses less digits than its factorization.

25550048832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246929 (or 246912 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 25550048832 in words is "twenty-five billion, five hundred fifty million, forty-eight thousand, eight hundred thirty-two".