232306885440 has 560 divisors, whose sum is σ = 948355841664. Its totient is φ = 52876800000.

The previous prime is 232306885429. The next prime is 232306885463. The reversal of 232306885440 is 44588603232.

232306885440 is a `hidden beast` number, since 2 + 3 + 23 + 0 + 6 + 88 + 544 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 45538890 + ... + 45543990.

Almost surely, 2^232306885440 is an apocalyptic number.

232306885440 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 232306885440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474177920832).

232306885440 is an abundant number, since it is smaller than the sum of its proper divisors (716048956224).

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

232306885440 is a wasteful number, since it uses less digits than its factorization.

232306885440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 232306885440 in words is "two hundred thirty-two billion, three hundred six million, eight hundred eighty-five thousand, four hundred forty".