2692722591426 has 256 divisors, whose sum is σ = 6724270080000. Its totient is φ = 716447047680.

The previous prime is 2692722591421. The next prime is 2692722591439. The reversal of 2692722591426 is 6241952272962.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (2692722591421) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 744461170 + ... + 744464786.

It is an arithmetic number, because the mean of its divisors is an integer number (26266680000).

Almost surely, 2^{2692722591426} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2692722591426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3362135040000).

2692722591426 is an abundant number, since it is smaller than the sum of its proper divisors (4031547488574).

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

2692722591426 is a wasteful number, since it uses less digits than its factorization.

2692722591426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982 (or 3968 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 2692722591426 in words is "two trillion, six hundred ninety-two billion, seven hundred twenty-two million, five hundred ninety-one thousand, four hundred twenty-six".