326254216016225 has 48 divisors (see below), whose sum is σ = 474915442180608. Its totient is φ = 217691587050240.

The previous prime is 326254216016219. The next prime is 326254216016243. The reversal of 326254216016225 is 522610612452623.

It is not a de Polignac number, because 326254216016225 - 2¹² = 326254216012129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326254216016225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113219174 + ... + 116065023.

It is an arithmetic number, because the mean of its divisors is an integer number (9894071712096).

Almost surely, 2^{326254216016225} is an apocalyptic number.

326254216016225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

326254216016225 is a deficient number, since it is larger than the sum of its proper divisors (148661226164383).

326254216016225 is a wasteful number, since it uses less digits than its factorization.

326254216016225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229284434 (or 229284429 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

Adding to 326254216016225 its reverse (522610612452623), we get a palindrome (848864828468848).

The spelling of 326254216016225 in words is "three hundred twenty-six trillion, two hundred fifty-four billion, two hundred sixteen million, sixteen thousand, two hundred twenty-five".