2277815540 has 96 divisors (see below), whose sum is σ = 6422540544. Its totient is φ = 655349760.

The previous prime is 2277815531. The next prime is 2277815581. The reversal of 2277815540 is 455187722.

2277815540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36869 + ... + 76908.

It is an arithmetic number, because the mean of its divisors is an integer number (66901464).

Almost surely, 2^2277815540 is an apocalyptic number.

2277815540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2277815540 is an abundant number, since it is smaller than the sum of its proper divisors (4144725004).

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

2277815540 is a wasteful number, since it uses less digits than its factorization.

2277815540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113817 (or 113815 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 2277815540 is about 47726.4658234820. The cubic root of 2277815540 is about 1315.7483998087.

The spelling of 2277815540 in words is "two billion, two hundred seventy-seven million, eight hundred fifteen thousand, five hundred forty".