2281961439120 has 160 divisors (see below), whose sum is σ = 7843690364544. Its totient is φ = 544133836800.

The previous prime is 2281961439113. The next prime is 2281961439133. The reversal of 2281961439120 is 219341691822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2281961439120.

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, 6924037 + ... + 7246116.

Almost surely, 2^{2281961439120} is an apocalyptic number.

2281961439120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2281961439120 is an abundant number, since it is smaller than the sum of its proper divisors (5561728925424).

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

2281961439120 is a wasteful number, since it uses less digits than its factorization.

2281961439120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170241 (or 14170235 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 2281961439120 in words is "two trillion, two hundred eighty-one billion, nine hundred sixty-one million, four hundred thirty-nine thousand, one hundred twenty".