405120673264 has 40 divisors (see below), whose sum is σ = 801067255200. Its totient is φ = 198406411008.

The previous prime is 405120673201. The next prime is 405120673267. The reversal of 405120673264 is 462376021504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405120673267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109174 + ... + 906730.

It is an arithmetic number, because the mean of its divisors is an integer number (20026681380).

Almost surely, 2^405120673264 is an apocalyptic number.

It is an amenable number.

405120673264 is a deficient number, since it is larger than the sum of its proper divisors (395946581936).

405120673264 is a wasteful number, since it uses less digits than its factorization.

405120673264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798217 (or 798211 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 405120673264 its reverse (462376021504), we get a palindrome (867496694768).

The spelling of 405120673264 in words is "four hundred five billion, one hundred twenty million, six hundred seventy-three thousand, two hundred sixty-four".