326366040 has 576 divisors, whose sum is σ = 1401926400. Its totient is φ = 59304960.

The previous prime is 326366003. The next prime is 326366041. The reversal of 326366040 is 40663623.

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 = 326365989 and 326366007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326366041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17177151 + ... + 17177169.

It is an arithmetic number, because the mean of its divisors is an integer number (2433900).

Almost surely, 2^326366040 is an apocalyptic number.

326366040 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 326366040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700963200).

326366040 is an abundant number, since it is smaller than the sum of its proper divisors (1075560360).

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

326366040 is a wasteful number, since it uses less digits than its factorization.

326366040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 326366040 is about 18065.6037817727. The cubic root of 326366040 is about 688.4963686351.

The spelling of 326366040 in words is "three hundred twenty-six million, three hundred sixty-six thousand, forty".