331823040 has 112 divisors (see below), whose sum is σ = 1059972480. Its totient is φ = 87946240.

The previous prime is 331823029. The next prime is 331823069. The reversal of 331823040 is 40328133.

It is a super-2 number, since 2×331823040² = 220213059749683200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 331823040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170875 + ... + 172805.

It is an arithmetic number, because the mean of its divisors is an integer number (9464040).

Almost surely, 2^331823040 is an apocalyptic number.

331823040 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 331823040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529986240).

331823040 is an abundant number, since it is smaller than the sum of its proper divisors (728149440).

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

331823040 is a wasteful number, since it uses less digits than its factorization.

331823040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 331823040 is about 18216.0105401814. The cubic root of 331823040 is about 692.3125099000.

The spelling of 331823040 in words is "three hundred thirty-one million, eight hundred twenty-three thousand, forty".