2331154386880 has 448 divisors, whose sum is σ = 6766232279040. Its totient is φ = 754525798400.

The previous prime is 2331154386853. The next prime is 2331154386901. The reversal of 2331154386880 is 886834511332.

It is a happy number.

It is a super-2 number, since 2×2331154386880² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122482965 + ... + 122501995.

Almost surely, 2^{2331154386880} is an apocalyptic number.

2331154386880 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 2331154386880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3383116139520).

2331154386880 is an abundant number, since it is smaller than the sum of its proper divisors (4435077892160).

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

2331154386880 is a wasteful number, since it uses less digits than its factorization.

2331154386880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19188 (or 19178 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 2331154386880 in words is "two trillion, three hundred thirty-one billion, one hundred fifty-four million, three hundred eighty-six thousand, eight hundred eighty".