2231655976080 has 240 divisors, whose sum is σ = 7766948240640. Its totient is φ = 588967759872.

The previous prime is 2231655976009. The next prime is 2231655976093. The reversal of 2231655976080 is 806795561322.

2231655976080 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 6 + 559 + 7 + 6 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×2231655976080³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20268537 + ... + 20378343.

It is an arithmetic number, because the mean of its divisors is an integer number (32362284336).

Almost surely, 2^{2231655976080} is an apocalyptic number.

2231655976080 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 2231655976080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3883474120320).

2231655976080 is an abundant number, since it is smaller than the sum of its proper divisors (5535292264560).

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

2231655976080 is a wasteful number, since it uses less digits than its factorization.

2231655976080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110023 (or 109914 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 2231655976080 in words is "two trillion, two hundred thirty-one billion, six hundred fifty-five million, nine hundred seventy-six thousand, eighty".