2790000018 has 32 divisors (see below), whose sum is σ = 6676924800. Its totient is φ = 858461328.

The previous prime is 2790000007. The next prime is 2790000043. The reversal of 2790000018 is 8100000972.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2789999946 and 2790000000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986478 + ... + 1987881.

It is an arithmetic number, because the mean of its divisors is an integer number (208653900).

Almost surely, 2^2790000018 is an apocalyptic number.

2790000018 is an abundant number, since it is smaller than the sum of its proper divisors (3886924782).

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

2790000018 is a wasteful number, since it uses less digits than its factorization.

2790000018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974383 (or 3974377 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2790000018 is about 52820.4507553656. The cubic root of 2790000018 is about 1407.7798196644.

The spelling of 2790000018 in words is "two billion, seven hundred ninety million, eighteen", and thus it is an aban number.