2277491904 has 280 divisors, whose sum is σ = 7326739728. Its totient is φ = 696729600.

The previous prime is 2277491893. The next prime is 2277491927. The reversal of 2277491904 is 4091947722.

It is a happy number.

2277491904 is a `hidden beast` number, since 2 + 2 + 77 + 491 + 90 + 4 = 666.

2277491904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2277491904.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3789204 + ... + 3789804.

Almost surely, 2^2277491904 is an apocalyptic number.

2277491904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2277491904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3663369864).

2277491904 is an abundant number, since it is smaller than the sum of its proper divisors (5049247824).

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

2277491904 is a wasteful number, since it uses less digits than its factorization.

2277491904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 2277491904 is about 47723.0751733373. The cubic root of 2277491904 is about 1315.6860822489.

The spelling of 2277491904 in words is "two billion, two hundred seventy-seven million, four hundred ninety-one thousand, nine hundred four".