405553316272 has 40 divisors (see below), whose sum is σ = 850633056000. Its totient is φ = 186198443520.

The previous prime is 405553316251. The next prime is 405553316279. The reversal of 405553316272 is 272613355504.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (405553316279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5064397 + ... + 5143852.

It is an arithmetic number, because the mean of its divisors is an integer number (21265826400).

Almost surely, 2^405553316272 is an apocalyptic number.

It is an amenable number.

405553316272 is an abundant number, since it is smaller than the sum of its proper divisors (445079739728).

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

405553316272 is a wasteful number, since it uses less digits than its factorization.

405553316272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208461 (or 10208455 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 405553316272 in words is "four hundred five billion, five hundred fifty-three million, three hundred sixteen thousand, two hundred seventy-two".