2812531622264 has 128 divisors (see below), whose sum is σ = 6735173760000. Its totient is φ = 1093790581632.

The previous prime is 2812531622231. The next prime is 2812531622273. The reversal of 2812531622264 is 4622261352182.

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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1436477 + ... + 2772819.

It is an arithmetic number, because the mean of its divisors is an integer number (52618545000).

Almost surely, 2^{2812531622264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2812531622264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3367586880000).

2812531622264 is an abundant number, since it is smaller than the sum of its proper divisors (3922642137736).

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

2812531622264 is a wasteful number, since it uses less digits than its factorization.

2812531622264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336442 (or 1336424 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The spelling of 2812531622264 in words is "two trillion, eight hundred twelve billion, five hundred thirty-one million, six hundred twenty-two thousand, two hundred sixty-four".