326106237420 has 144 divisors (see below), whose sum is σ = 1042727868000. Its totient is φ = 82267923456.

The previous prime is 326106237409. The next prime is 326106237427. The reversal of 326106237420 is 24732601623.

326106237420 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 0 + 623 + 7 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (326106237427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2357536 + ... + 2492024.

It is an arithmetic number, because the mean of its divisors is an integer number (7241165750).

Almost surely, 2^326106237420 is an apocalyptic number.

326106237420 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 326106237420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521363934000).

326106237420 is an abundant number, since it is smaller than the sum of its proper divisors (716621630580).

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

326106237420 is a wasteful number, since it uses less digits than its factorization.

326106237420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135232 (or 135227 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 326106237420 in words is "three hundred twenty-six billion, one hundred six million, two hundred thirty-seven thousand, four hundred twenty".