2545244886 has 32 divisors (see below), whose sum is σ = 5227352928. Its totient is φ = 825891840.

The previous prime is 2545244869. The next prime is 2545244893. The reversal of 2545244886 is 6884425452.

It is a super-3 number, since 3×2545244886³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345 + ... + 71348.

It is an arithmetic number, because the mean of its divisors is an integer number (163354779).

Almost surely, 2^2545244886 is an apocalyptic number.

2545244886 is an abundant number, since it is smaller than the sum of its proper divisors (2682108042).

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

2545244886 is a wasteful number, since it uses less digits than its factorization.

2545244886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71856.

The product of its digits is 2457600, while the sum is 48.

The square root of 2545244886 is about 50450.4200775375. The cubic root of 2545244886 is about 1365.3474739650.

The spelling of 2545244886 in words is "two billion, five hundred forty-five million, two hundred forty-four thousand, eight hundred eighty-six".