2622665604432 has 80 divisors (see below), whose sum is σ = 7001163896832. Its totient is φ = 845127338880.

The previous prime is 2622665604431. The next prime is 2622665604479. The reversal of 2622665604432 is 2344065662262.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622665604431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478543 + ... + 2339729.

Almost surely, 2^{2622665604432} 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 2622665604432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3500581948416).

2622665604432 is an abundant number, since it is smaller than the sum of its proper divisors (4378498292400).

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

2622665604432 is a wasteful number, since it uses less digits than its factorization.

2622665604432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862176 (or 1862170 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 2622665604432 in words is "two trillion, six hundred twenty-two billion, six hundred sixty-five million, six hundred four thousand, four hundred thirty-two".