428186615314322 has 64 divisors (see below), whose sum is σ = 694883380400640. Its totient is φ = 197112182870016.

The previous prime is 428186615314321. The next prime is 428186615314387. The reversal of 428186615314322 is 223413516681824.

It is not an unprimeable number, because it can be changed into a prime (428186615314321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45566305328 + ... + 45566314724.

It is an arithmetic number, because the mean of its divisors is an integer number (10857552818760).

Almost surely, 2^{428186615314322} is an apocalyptic number.

428186615314322 is a deficient number, since it is larger than the sum of its proper divisors (266696765086318).

428186615314322 is a wasteful number, since it uses less digits than its factorization.

428186615314322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20915.

The product of its digits is 13271040, while the sum is 56.

The spelling of 428186615314322 in words is "four hundred twenty-eight trillion, one hundred eighty-six billion, six hundred fifteen million, three hundred fourteen thousand, three hundred twenty-two".