2807060840 has 16 divisors (see below), whose sum is σ = 6315886980. Its totient is φ = 1122824320.

The previous prime is 2807060831. The next prime is 2807060843. The reversal of 2807060840 is 480607082.

It can be written as a sum of positive squares in 2 ways, for example, as 2777922436 + 29138404 = 52706^2 + 5398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2807060840.

It is not an unprimeable number, because it can be changed into a prime (2807060843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35088221 + ... + 35088300.

Almost surely, 2^2807060840 is an apocalyptic number.

2807060840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2807060840 is an abundant number, since it is smaller than the sum of its proper divisors (3508826140).

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

2807060840 is a wasteful number, since it uses less digits than its factorization.

2807060840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70176532 (or 70176528 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2807060840 is about 52981.7028793904. The cubic root of 2807060840 is about 1410.6435102305.

The spelling of 2807060840 in words is "two billion, eight hundred seven million, sixty thousand, eight hundred forty".