2273449158920 has 32 divisors (see below), whose sum is σ = 5125430157120. Its totient is φ = 907571743680.

The previous prime is 2273449158881. The next prime is 2273449158941. The reversal of 2273449158920 is 298519443722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56477126 + ... + 56517365.

It is an arithmetic number, because the mean of its divisors is an integer number (160169692410).

Almost surely, 2^{2273449158920} is an apocalyptic number.

2273449158920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273449158920 is an abundant number, since it is smaller than the sum of its proper divisors (2851980998200).

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

2273449158920 is a wasteful number, since it uses less digits than its factorization.

2273449158920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112995005 (or 112995001 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 2273449158920 in words is "two trillion, two hundred seventy-three billion, four hundred forty-nine million, one hundred fifty-eight thousand, nine hundred twenty".