326345277040 has 20 divisors (see below), whose sum is σ = 758752769304. Its totient is φ = 130538110784.

The previous prime is 326345276993. The next prime is 326345277043. The reversal of 326345277040 is 40772543623.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326345277043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039657902 + ... + 2039658061.

Almost surely, 2^326345277040 is an apocalyptic number.

It is an amenable number.

326345277040 is an abundant number, since it is smaller than the sum of its proper divisors (432407492264).

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

326345277040 is a wasteful number, since it uses less digits than its factorization.

326345277040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079315976 (or 4079315970 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 326345277040 in words is "three hundred twenty-six billion, three hundred forty-five million, two hundred seventy-seven thousand, forty".