2798488140 has 48 divisors (see below), whose sum is σ = 8955163392. Its totient is φ = 639654336.

The previous prime is 2798488123. The next prime is 2798488151. The reversal of 2798488140 is 418848972.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 3331114 + ... + 3331953.

It is an arithmetic number, because the mean of its divisors is an integer number (186565904).

Almost surely, 2^2798488140 is an apocalyptic number.

2798488140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2798488140 is an abundant number, since it is smaller than the sum of its proper divisors (6156675252).

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

2798488140 is a wasteful number, since it uses less digits than its factorization.

2798488140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663086 (or 6663084 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 2798488140 is about 52900.7385581714. The cubic root of 2798488140 is about 1409.2060214779.

The spelling of 2798488140 in words is "two billion, seven hundred ninety-eight million, four hundred eighty-eight thousand, one hundred forty".