1605422631344 has 40 divisors (see below), whose sum is σ = 3555753884448. Its totient is φ = 687866112000.

The previous prime is 1605422631313. The next prime is 1605422631457. The reversal of 1605422631344 is 4431362245061.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343207 + ... + 2239430.

Almost surely, 2^{1605422631344} is an apocalyptic number.

1605422631344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1605422631344 is an abundant number, since it is smaller than the sum of its proper divisors (1950331253104).

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

1605422631344 is a wasteful number, since it uses less digits than its factorization.

1605422631344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586653 (or 3586647 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 1605422631344 in words is "one trillion, six hundred five billion, four hundred twenty-two million, six hundred thirty-one thousand, three hundred forty-four".