2622651264464 has 160 divisors (see below), whose sum is σ = 6817865271552. Its totient is φ = 945939456000.

The previous prime is 2622651264449. The next prime is 2622651264469. The reversal of 2622651264464 is 4644621562262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622651264469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251174 + ... + 2303994.

Almost surely, 2^{2622651264464} 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 2622651264464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3408932635776).

2622651264464 is an abundant number, since it is smaller than the sum of its proper divisors (4195214007088).

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

2622651264464 is a wasteful number, since it uses less digits than its factorization.

2622651264464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052925 (or 2052919 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 50.

The spelling of 2622651264464 in words is "two trillion, six hundred twenty-two billion, six hundred fifty-one million, two hundred sixty-four thousand, four hundred sixty-four".