26622792616 has 64 divisors (see below), whose sum is σ = 58504089600. Its totient is φ = 11119889088.

The previous prime is 26622792593. The next prime is 26622792617. The reversal of 26622792616 is 61629722662.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26622792616.

It is not an unprimeable number, because it can be changed into a prime (26622792617) 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, 1102965 + ... + 1126843.

It is an arithmetic number, because the mean of its divisors is an integer number (914126400).

Almost surely, 2^26622792616 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 26622792616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29252044800).

26622792616 is an abundant number, since it is smaller than the sum of its proper divisors (31881296984).

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

26622792616 is a wasteful number, since it uses less digits than its factorization.

26622792616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24398 (or 24394 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The spelling of 26622792616 in words is "twenty-six billion, six hundred twenty-two million, seven hundred ninety-two thousand, six hundred sixteen".