405312339051984 has 120 divisors (see below), whose sum is σ = 1311697624833120. Its totient is φ = 106895561939712.

The previous prime is 405312339051943. The next prime is 405312339051989. The reversal of 405312339051984 is 489150933213504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405312339051989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6627918454 + ... + 6627979605.

It is an arithmetic number, because the mean of its divisors is an integer number (10930813540276).

Almost surely, 2^{405312339051984} is an apocalyptic number.

It is an amenable number.

405312339051984 is an abundant number, since it is smaller than the sum of its proper divisors (906385285781136).

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

405312339051984 is a wasteful number, since it uses less digits than its factorization.

405312339051984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13255898097 (or 13255898084 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 405312339051984 in words is "four hundred five trillion, three hundred twelve billion, three hundred thirty-nine million, fifty-one thousand, nine hundred eighty-four".