232773488640 has 1872 divisors, whose sum is σ = 1073018378880. Its totient is φ = 47687270400.

The previous prime is 232773488621. The next prime is 232773488663. The reversal of 232773488640 is 46884377232.

It is a happy number.

232773488640 is a `hidden beast` number, since 2 + 32 + 7 + 73 + 488 + 64 + 0 = 666.

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 143 ways as a sum of consecutive naturals, for example, 3278499805 + ... + 3278499875.

Almost surely, 2^232773488640 is an apocalyptic number.

232773488640 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 232773488640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536509189440).

232773488640 is an abundant number, since it is smaller than the sum of its proper divisors (840244890240).

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

232773488640 is a wasteful number, since it uses less digits than its factorization.

232773488640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 232773488640 in words is "two hundred thirty-two billion, seven hundred seventy-three million, four hundred eighty-eight thousand, six hundred forty".