326458984428 has 144 divisors (see below), whose sum is σ = 873080615680. Its totient is φ = 102567523968.

The previous prime is 326458984421. The next prime is 326458984483. The reversal of 326458984428 is 824489854623.

326458984428 is a `hidden beast` number, since 3 + 2 + 6 + 4 + 589 + 8 + 4 + 42 + 8 = 666.

It is a super-2 number, since 2×326458984428² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (326458984421) 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, 211573425 + ... + 211574967.

Almost surely, 2^326458984428 is an apocalyptic number.

326458984428 is a gapful number since it is divisible by the number (38) 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 326458984428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436540307840).

326458984428 is an abundant number, since it is smaller than the sum of its proper divisors (546621631252).

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

326458984428 is a wasteful number, since it uses less digits than its factorization.

326458984428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948 (or 2943 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 63.

The spelling of 326458984428 in words is "three hundred twenty-six billion, four hundred fifty-eight million, nine hundred eighty-four thousand, four hundred twenty-eight".