2277040920 has 384 divisors, whose sum is σ = 8797662720. Its totient is φ = 461260800.

The previous prime is 2277040919. The next prime is 2277040933. The reversal of 2277040920 is 290407722.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4370260 + ... + 4370780.

It is an arithmetic number, because the mean of its divisors is an integer number (22910580).

Almost surely, 2^2277040920 is an apocalyptic number.

2277040920 is a gapful number since it is divisible by the number (20) 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 2277040920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4398831360).

2277040920 is an abundant number, since it is smaller than the sum of its proper divisors (6520621800).

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

2277040920 is a wasteful number, since it uses less digits than its factorization.

2277040920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2277040920 is about 47718.3499295606. The cubic root of 2277040920 is about 1315.5992334160.

The spelling of 2277040920 in words is "two billion, two hundred seventy-seven million, forty thousand, nine hundred twenty".