325223656642 has 8 divisors (see below), whose sum is σ = 487942785936. Its totient is φ = 162576061332.

The previous prime is 325223656631. The next prime is 325223656651. The reversal of 325223656642 is 246656322523.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 325223656592 and 325223656601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17872128 + ... + 17890315.

It is an arithmetic number, because the mean of its divisors is an integer number (60992848242).

Almost surely, 2^325223656642 is an apocalyptic number.

325223656642 is a deficient number, since it is larger than the sum of its proper divisors (162719129294).

325223656642 is a wasteful number, since it uses less digits than its factorization.

325223656642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35766992.

The product of its digits is 3110400, while the sum is 46.

It can be divided in two parts, 3252236 and 56642, that added together give a triangular number (3308878 = T₂₅₇₂).

The spelling of 325223656642 in words is "three hundred twenty-five billion, two hundred twenty-three million, six hundred fifty-six thousand, six hundred forty-two".