326023665641040 has 80 divisors (see below), whose sum is σ = 1010676333610368. Its totient is φ = 86939388676608.

The previous prime is 326023665641027. The next prime is 326023665641143. The reversal of 326023665641040 is 40146566320623.

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 (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88341282 + ... + 91957758.

Almost surely, 2^{326023665641040} is an apocalyptic number.

326023665641040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326023665641040 is an abundant number, since it is smaller than the sum of its proper divisors (684652667969328).

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

326023665641040 is a wasteful number, since it uses less digits than its factorization.

326023665641040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992116 (or 3992110 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 326023665641040 in words is "three hundred twenty-six trillion, twenty-three billion, six hundred sixty-five million, six hundred forty-one thousand, forty".