2807561740 has 12 divisors (see below), whose sum is σ = 5895879696. Its totient is φ = 1123024688.

The previous prime is 2807561737. The next prime is 2807561753. The reversal of 2807561740 is 471657082.

It is a junction number, because it is equal to n+sod(n) for n = 2807561693 and 2807561702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70189024 + ... + 70189063.

It is an arithmetic number, because the mean of its divisors is an integer number (491323308).

Almost surely, 2^2807561740 is an apocalyptic number.

2807561740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2807561740 is an abundant number, since it is smaller than the sum of its proper divisors (3088317956).

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

2807561740 is a wasteful number, since it uses less digits than its factorization.

2807561740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140378096 (or 140378094 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 2807561740 is about 52986.4297721596. The cubic root of 2807561740 is about 1410.7274116669.

The spelling of 2807561740 in words is "two billion, eight hundred seven million, five hundred sixty-one thousand, seven hundred forty".