2525195840 has 28 divisors (see below), whose sum is σ = 6013123356. Its totient is φ = 1010078208.

The previous prime is 2525195819. The next prime is 2525195873. The reversal of 2525195840 is 485915252.

It can be written as a sum of positive squares in 2 ways, for example, as 466214464 + 2058981376 = 21592^2 + 45376^2 .

It is a super-2 number, since 2×2525195840² = 12753228060706611200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3945299 + ... + 3945938.

Almost surely, 2^2525195840 is an apocalyptic number.

2525195840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525195840 is an abundant number, since it is smaller than the sum of its proper divisors (3487927516).

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

2525195840 is an equidigital number, since it uses as much as digits as its factorization.

2525195840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891254 (or 7891244 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 2525195840 is about 50251.3267486541. The cubic root of 2525195840 is about 1361.7530449993.

The spelling of 2525195840 in words is "two billion, five hundred twenty-five million, one hundred ninety-five thousand, eight hundred forty".