2618020650 has 48 divisors (see below), whose sum is σ = 7420221504. Its totient is φ = 598404480.

The previous prime is 2618020637. The next prime is 2618020651. The reversal of 2618020650 is 560208162.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2618020651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245627 + ... + 1247726.

It is an arithmetic number, because the mean of its divisors is an integer number (154587948).

Almost surely, 2^2618020650 is an apocalyptic number.

2618020650 is an abundant number, since it is smaller than the sum of its proper divisors (4802200854).

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

2618020650 is a wasteful number, since it uses less digits than its factorization.

2618020650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493375 (or 2493370 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2618020650 is about 51166.5970140677. The cubic root of 2618020650 is about 1378.2384317964.

The spelling of 2618020650 in words is "two billion, six hundred eighteen million, twenty thousand, six hundred fifty".