2265946380 has 96 divisors (see below), whose sum is σ = 7056504000. Its totient is φ = 603661824.

The previous prime is 2265946373. The next prime is 2265946393. The reversal of 2265946380 is 836495622.

2265946380 is a `hidden beast` number, since 2 + 2 + 6 + 5 + 9 + 4 + 638 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1051384 + ... + 1053536.

It is an arithmetic number, because the mean of its divisors is an integer number (73505250).

Almost surely, 2^2265946380 is an apocalyptic number.

2265946380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2265946380 is an abundant number, since it is smaller than the sum of its proper divisors (4790557620).

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

2265946380 is a wasteful number, since it uses less digits than its factorization.

2265946380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4112 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 2265946380 is about 47601.9577328496. The cubic root of 2265946380 is about 1313.4590671851.

The spelling of 2265946380 in words is "two billion, two hundred sixty-five million, nine hundred forty-six thousand, three hundred eighty".