2273904355944 has 64 divisors (see below), whose sum is σ = 6147453090240. Its totient is φ = 696759690240.

The previous prime is 2273904355889. The next prime is 2273904355991. The reversal of 2273904355944 is 4495534093722.

It is a super-2 number, since 2×2273904355944² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15045462 + ... + 15195845.

It is an arithmetic number, because the mean of its divisors is an integer number (96053954535).

Almost surely, 2^{2273904355944} is an apocalyptic number.

2273904355944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2273904355944 is an abundant number, since it is smaller than the sum of its proper divisors (3873548734296).

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

2273904355944 is a wasteful number, since it uses less digits than its factorization.

2273904355944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30241570 (or 30241566 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 57.

The spelling of 2273904355944 in words is "two trillion, two hundred seventy-three billion, nine hundred four million, three hundred fifty-five thousand, nine hundred forty-four".