2620679844 has 24 divisors (see below), whose sum is σ = 6116650848. Its totient is φ = 873312640.

The previous prime is 2620679833. The next prime is 2620679851. The reversal of 2620679844 is 4489760262.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2620679793 and 2620679802.

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, 16099 + ... + 74165.

It is an arithmetic number, because the mean of its divisors is an integer number (254860452).

Almost surely, 2^2620679844 is an apocalyptic number.

It is an amenable number.

2620679844 is an abundant number, since it is smaller than the sum of its proper divisors (3495971004).

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

2620679844 is a wasteful number, since it uses less digits than its factorization.

2620679844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61835 (or 61833 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 2620679844 is about 51192.5760633317. The cubic root of 2620679844 is about 1378.7049118433.

The spelling of 2620679844 in words is "two billion, six hundred twenty million, six hundred seventy-nine thousand, eight hundred forty-four".