2642320628 has 24 divisors (see below), whose sum is σ = 4663010688. Its totient is φ = 1310069376.

The previous prime is 2642320613. The next prime is 2642320669. The reversal of 2642320628 is 8260232462.

It is a congruent number.

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, 297500 + ... + 306252.

It is an arithmetic number, because the mean of its divisors is an integer number (194292112).

Almost surely, 2^2642320628 is an apocalyptic number.

It is an amenable number.

2642320628 is a deficient number, since it is larger than the sum of its proper divisors (2020690060).

2642320628 is a wasteful number, since it uses less digits than its factorization.

2642320628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383 (or 9381 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2642320628 is about 51403.5079347704. The cubic root of 2642320628 is about 1382.4894900703.

The spelling of 2642320628 in words is "two billion, six hundred forty-two million, three hundred twenty thousand, six hundred twenty-eight".