2790140688 has 80 divisors (see below), whose sum is σ = 8015488960. Its totient is φ = 929263104.

The previous prime is 2790140687. The next prime is 2790140707. The reversal of 2790140688 is 8860410972.

It is a super-2 number, since 2×2790140688² = 15569770117666226688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2790140687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752856 + ... + 756552.

It is an arithmetic number, because the mean of its divisors is an integer number (100193612).

Almost surely, 2^2790140688 is an apocalyptic number.

It is an amenable number.

2790140688 is an abundant number, since it is smaller than the sum of its proper divisors (5225348272).

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

2790140688 is a wasteful number, since it uses less digits than its factorization.

2790140688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461 (or 5449 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2790140688 is about 52821.7823250977. The cubic root of 2790140688 is about 1407.8034790501.

The spelling of 2790140688 in words is "two billion, seven hundred ninety million, one hundred forty thousand, six hundred eighty-eight".