326114640 has 80 divisors (see below), whose sum is σ = 1123291200. Its totient is φ = 86963328.

The previous prime is 326114629. The next prime is 326114641. The reversal of 326114640 is 46411623.

326114640 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 14 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326114641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73330 + ... + 77649.

It is an arithmetic number, because the mean of its divisors is an integer number (14041140).

Almost surely, 2^326114640 is an apocalyptic number.

326114640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326114640 is an abundant number, since it is smaller than the sum of its proper divisors (797176560).

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

326114640 is a wasteful number, since it uses less digits than its factorization.

326114640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151001 (or 150989 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 326114640 is about 18058.6444674012. The cubic root of 326114640 is about 688.3195401377.

The spelling of 326114640 in words is "three hundred twenty-six million, one hundred fourteen thousand, six hundred forty".