2562258840 has 128 divisors (see below), whose sum is σ = 7778453760. Its totient is φ = 675177984.

The previous prime is 2562258821. The next prime is 2562258869. The reversal of 2562258840 is 488522652.

It is a junction number, because it is equal to n+sod(n) for n = 2562258792 and 2562258801.

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, 5783659 + ... + 5784101.

It is an arithmetic number, because the mean of its divisors is an integer number (60769170).

Almost surely, 2^2562258840 is an apocalyptic number.

2562258840 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 2562258840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3889226880).

2562258840 is an abundant number, since it is smaller than the sum of its proper divisors (5216194920).

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

2562258840 is a wasteful number, since it uses less digits than its factorization.

2562258840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 2562258840 is about 50618.7597635501. The cubic root of 2562258840 is about 1368.3829892755.

The spelling of 2562258840 in words is "two billion, five hundred sixty-two million, two hundred fifty-eight thousand, eight hundred forty".