326420551164445 has 64 divisors (see below), whose sum is σ = 432435861319680. Its totient is φ = 235435315281408.

The previous prime is 326420551164437. The next prime is 326420551164469. The reversal of 326420551164445 is 544461155024623.

It is a happy number.

It is not a de Polignac number, because 326420551164445 - 2³ = 326420551164437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326420551164392 and 326420551164401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 399667737 + ... + 400483633.

It is an arithmetic number, because the mean of its divisors is an integer number (6756810333120).

Almost surely, 2^{326420551164445} is an apocalyptic number.

It is an amenable number.

326420551164445 is a deficient number, since it is larger than the sum of its proper divisors (106015310155235).

326420551164445 is a wasteful number, since it uses less digits than its factorization.

326420551164445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816874.

The product of its (nonzero) digits is 13824000, while the sum is 52.

The spelling of 326420551164445 in words is "three hundred twenty-six trillion, four hundred twenty billion, five hundred fifty-one million, one hundred sixty-four thousand, four hundred forty-five".