2620326642 has 16 divisors (see below), whose sum is σ = 5259994752. Its totient is φ = 870218640.

The previous prime is 2620326641. The next prime is 2620326673. The reversal of 2620326642 is 2466230262.

It is a super-2 number, since 2×2620326642² = 13732223421549992328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2620326641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804133 + ... + 807384.

It is an arithmetic number, because the mean of its divisors is an integer number (328749672).

Almost surely, 2^2620326642 is an apocalyptic number.

2620326642 is an abundant number, since it is smaller than the sum of its proper divisors (2639668110).

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

2620326642 is a wasteful number, since it uses less digits than its factorization.

2620326642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611793.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 2620326642 is about 51189.1262086002. The cubic root of 2620326642 is about 1378.6429707645.

The spelling of 2620326642 in words is "two billion, six hundred twenty million, three hundred twenty-six thousand, six hundred forty-two".