2505850992 has 120 divisors (see below), whose sum is σ = 7291765936. Its totient is φ = 833089536.

The previous prime is 2505850979. The next prime is 2505851003. The reversal of 2505850992 is 2990585052.

2505850992 is a `hidden beast` number, since 2 + 5 + 0 + 58 + 509 + 92 = 666.

It is a congruent number.

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, 2242818 + ... + 2243934.

Almost surely, 2^2505850992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2505850992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3645882968).

2505850992 is an abundant number, since it is smaller than the sum of its proper divisors (4785914944).

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

2505850992 is a wasteful number, since it uses less digits than its factorization.

2505850992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1699 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 2505850992 is about 50058.4757258948. The cubic root of 2505850992 is about 1358.2667857478.

The spelling of 2505850992 in words is "two billion, five hundred five million, eight hundred fifty thousand, nine hundred ninety-two".