326474450634464 has 24 divisors (see below), whose sum is σ = 701178081477048. Its totient is φ = 148397477560960.

The previous prime is 326474450634463. The next prime is 326474450634571. The reversal of 326474450634464 is 464436054474623.

It is a junction number, because it is equal to n+sod(n) for n = 326474450634397 and 326474450634406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326474450634461) 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, 463742117027 + ... + 463742117730.

It is an arithmetic number, because the mean of its divisors is an integer number (29215753394877).

Almost surely, 2^{326474450634464} is an apocalyptic number.

It is an amenable number.

326474450634464 is an abundant number, since it is smaller than the sum of its proper divisors (374703630842584).

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

326474450634464 is a wasteful number, since it uses less digits than its factorization.

326474450634464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927484234778 (or 927484234770 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 62.

The spelling of 326474450634464 in words is "three hundred twenty-six trillion, four hundred seventy-four billion, four hundred fifty million, six hundred thirty-four thousand, four hundred sixty-four".