2525358840 has 128 divisors (see below), whose sum is σ = 8173431360. Its totient is φ = 621830144.

The previous prime is 2525358791. The next prime is 2525358931. The reversal of 2525358840 is 488535252.

It is a happy number.

It is a super-2 number, since 2×2525358840² = 12754874541532291200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2525358792 and 2525358801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96442 + ... + 119798.

Almost surely, 2^2525358840 is an apocalyptic number.

2525358840 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 2525358840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4086715680).

2525358840 is an abundant number, since it is smaller than the sum of its proper divisors (5648072520).

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

2525358840 is a wasteful number, since it uses less digits than its factorization.

2525358840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23441 (or 23437 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The square root of 2525358840 is about 50252.9485702083. The cubic root of 2525358840 is about 1361.7823445051.

The spelling of 2525358840 in words is "two billion, five hundred twenty-five million, three hundred fifty-eight thousand, eight hundred forty".