25047244950 has 864 divisors, whose sum is σ = 89638119936. Its totient is φ = 4507176960.

The previous prime is 25047244921. The next prime is 25047244961. The reversal of 25047244950 is 5944274052.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 1089010639 + ... + 1089010661.

It is an arithmetic number, because the mean of its divisors is an integer number (103747824).

Almost surely, 2^25047244950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25047244950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44819059968).

25047244950 is an abundant number, since it is smaller than the sum of its proper divisors (64590874986).

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

25047244950 is a wasteful number, since it uses less digits than its factorization.

25047244950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 25047244950 in words is "twenty-five billion, forty-seven million, two hundred forty-four thousand, nine hundred fifty".