2500157000 has 128 divisors (see below), whose sum is σ = 6425153280. Its totient is φ = 903040000.

The previous prime is 2500156937. The next prime is 2500157021. The reversal of 2500157000 is 7510052.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1836320 + ... + 1837680.

It is an arithmetic number, because the mean of its divisors is an integer number (50196510).

Almost surely, 2^2500157000 is an apocalyptic number.

2500157000 is a gapful number since it is divisible by the number (20) 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 2500157000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3212576640).

2500157000 is an abundant number, since it is smaller than the sum of its proper divisors (3924996280).

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

2500157000 is a wasteful number, since it uses less digits than its factorization.

2500157000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2500157000 is about 50001.5699753518. The cubic root of 2500157000 is about 1357.2372186071.

Adding to 2500157000 its reverse (7510052), we get a palindrome (2507667052).

The spelling of 2500157000 in words is "two billion, five hundred million, one hundred fifty-seven thousand".