2277746340 has 24 divisors (see below), whose sum is σ = 6377689920. Its totient is φ = 607399008.

The previous prime is 2277746329. The next prime is 2277746369. The reversal of 2277746340 is 436477722.

It is a junction number, because it is equal to n+sod(n) for n = 2277746292 and 2277746301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18981160 + ... + 18981279.

It is an arithmetic number, because the mean of its divisors is an integer number (265737080).

Almost surely, 2^2277746340 is an apocalyptic number.

2277746340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2277746340 is an abundant number, since it is smaller than the sum of its proper divisors (4099943580).

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

2277746340 is a wasteful number, since it uses less digits than its factorization.

2277746340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37962451 (or 37962449 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The square root of 2277746340 is about 47725.7408533383. The cubic root of 2277746340 is about 1315.7350755352.

The spelling of 2277746340 in words is "two billion, two hundred seventy-seven million, seven hundred forty-six thousand, three hundred forty".