323941440 has 112 divisors (see below), whose sum is σ = 1037002752. Its totient is φ = 85671936.

The previous prime is 323941427. The next prime is 323941483. The reversal of 323941440 is 44149323.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 323941398 and 323941407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120592 + ... + 123248.

Almost surely, 2^323941440 is an apocalyptic number.

323941440 is a gapful number since it is divisible by the number (30) 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 323941440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518501376).

323941440 is an abundant number, since it is smaller than the sum of its proper divisors (713061312).

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

323941440 is a wasteful number, since it uses less digits than its factorization.

323941440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 323941440 is about 17998.3732598255. The cubic root of 323941440 is about 686.7871637387.

The spelling of 323941440 in words is "three hundred twenty-three million, nine hundred forty-one thousand, four hundred forty".