2562181072 has 40 divisors (see below), whose sum is σ = 5419831680. Its totient is φ = 1163700480.

The previous prime is 2562181021. The next prime is 2562181081. The reversal of 2562181072 is 2701812652.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 247129 + ... + 257287.

It is an arithmetic number, because the mean of its divisors is an integer number (135495792).

Almost surely, 2^2562181072 is an apocalyptic number.

2562181072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2562181072 is an abundant number, since it is smaller than the sum of its proper divisors (2857650608).

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

2562181072 is a wasteful number, since it uses less digits than its factorization.

2562181072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611 (or 11605 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 2562181072 is about 50617.9915840208. The cubic root of 2562181072 is about 1368.3691450478.

The spelling of 2562181072 in words is "two billion, five hundred sixty-two million, one hundred eighty-one thousand, seventy-two".