326037540 has 96 divisors (see below), whose sum is σ = 958648320. Its totient is φ = 82684800.

The previous prime is 326037521. The next prime is 326037541. The reversal of 326037540 is 45730623.

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 = 326037498 and 326037507.

It is not an unprimeable number, because it can be changed into a prime (326037541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108255 + ... + 111225.

It is an arithmetic number, because the mean of its divisors is an integer number (9985920).

Almost surely, 2^326037540 is an apocalyptic number.

326037540 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 326037540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479324160).

326037540 is an abundant number, since it is smaller than the sum of its proper divisors (632610780).

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

326037540 is a wasteful number, since it uses less digits than its factorization.

326037540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 326037540 is about 18056.5096294937. The cubic root of 326037540 is about 688.2652917101.

The spelling of 326037540 in words is "three hundred twenty-six million, thirty-seven thousand, five hundred forty".