2525402000 has 160 divisors (see below), whose sum is σ = 6707570688. Its totient is φ = 912000000.

The previous prime is 2525401987. The next prime is 2525402017. The reversal of 2525402000 is 2045252.

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, 4201700 + ... + 4202300.

Almost surely, 2^2525402000 is an apocalyptic number.

2525402000 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 2525402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3353785344).

2525402000 is an abundant number, since it is smaller than the sum of its proper divisors (4182168688).

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

2525402000 is a wasteful number, since it uses less digits than its factorization.

2525402000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2525402000 is about 50253.3779959119. The cubic root of 2525402000 is about 1361.7901023717.

Adding to 2525402000 its reverse (2045252), we get a palindrome (2527447252).

The spelling of 2525402000 in words is "two billion, five hundred twenty-five million, four hundred two thousand".