2650939220 has 24 divisors (see below), whose sum is σ = 5658236808. Its totient is φ = 1042992000.

The previous prime is 2650939171. The next prime is 2650939229. The reversal of 2650939220 is 229390562.

It can be written as a sum of positive squares in 4 ways, for example, as 406264336 + 2244674884 = 20156^2 + 47378^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650939229) 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, 1085231 + ... + 1087670.

It is an arithmetic number, because the mean of its divisors is an integer number (235759867).

Almost surely, 2^2650939220 is an apocalyptic number.

2650939220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650939220 is an abundant number, since it is smaller than the sum of its proper divisors (3007297588).

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

2650939220 is a wasteful number, since it uses less digits than its factorization.

2650939220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172971 (or 2172969 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 2650939220 is about 51487.2724078485. The cubic root of 2650939220 is about 1383.9909709336.

The spelling of 2650939220 in words is "two billion, six hundred fifty million, nine hundred thirty-nine thousand, two hundred twenty".