328260240 has 480 divisors, whose sum is σ = 1426194432. Its totient is φ = 65664000.

The previous prime is 328260221. The next prime is 328260277. The reversal of 328260240 is 42062823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1718545 + ... + 1718735.

Almost surely, 2^328260240 is an apocalyptic number.

328260240 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 328260240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713097216).

328260240 is an abundant number, since it is smaller than the sum of its proper divisors (1097934192).

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

328260240 is a wasteful number, since it uses less digits than its factorization.

328260240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 328260240 is about 18117.9535268197. The cubic root of 328260240 is about 689.8257909286.

The spelling of 328260240 in words is "three hundred twenty-eight million, two hundred sixty thousand, two hundred forty".