405231222054 has 16 divisors (see below), whose sum is σ = 810495007920. Its totient is φ = 135071646720.

The previous prime is 405231222047. The next prime is 405231222079. The reversal of 405231222054 is 450222132504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193539 + ... + 1494990.

It is an arithmetic number, because the mean of its divisors is an integer number (50655937995).

Almost surely, 2^405231222054 is an apocalyptic number.

405231222054 is an abundant number, since it is smaller than the sum of its proper divisors (405263785866).

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

405231222054 is a wasteful number, since it uses less digits than its factorization.

405231222054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713655.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 405231222054 its reverse (450222132504), we get a palindrome (855453354558).

The spelling of 405231222054 in words is "four hundred five billion, two hundred thirty-one million, two hundred twenty-two thousand, fifty-four".