2799667940 has 24 divisors (see below), whose sum is σ = 5896762872. Its totient is φ = 1116541440.

The previous prime is 2799667909. The next prime is 2799667957. The reversal of 2799667940 is 497669972.

It can be written as a sum of positive squares in 4 ways, for example, as 70023424 + 2729644516 = 8368^2 + 52246^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2799667940.

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, 200951 + ... + 214430.

It is an arithmetic number, because the mean of its divisors is an integer number (245698453).

Almost surely, 2^2799667940 is an apocalyptic number.

2799667940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2799667940 is an abundant number, since it is smaller than the sum of its proper divisors (3097094932).

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

2799667940 is a wasteful number, since it uses less digits than its factorization.

2799667940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415727 (or 415725 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 59.

The square root of 2799667940 is about 52911.8884561872. Note that the first 3 decimals coincide. The cubic root of 2799667940 is about 1409.4040269242.

The spelling of 2799667940 in words is "two billion, seven hundred ninety-nine million, six hundred sixty-seven thousand, nine hundred forty".