326483521611840 has 672 divisors, whose sum is σ = 1193510811677184. Its totient is φ = 84899766435840.

The previous prime is 326483521611787. The next prime is 326483521611857. The reversal of 326483521611840 is 48116125384623.

326483521611840 is a `hidden beast` number, since 3 + 2 + 6 + 4 + 8 + 3 + 521 + 61 + 18 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7291299532 + ... + 7291344308.

It is an arithmetic number, because the mean of its divisors is an integer number (1776057755472).

Almost surely, 2^{326483521611840} is an apocalyptic number.

326483521611840 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 326483521611840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596755405838592).

326483521611840 is an abundant number, since it is smaller than the sum of its proper divisors (867027290065344).

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

326483521611840 is a wasteful number, since it uses less digits than its factorization.

326483521611840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47137 (or 47115 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 326483521611840 in words is "three hundred twenty-six trillion, four hundred eighty-three billion, five hundred twenty-one million, six hundred eleven thousand, eight hundred forty".