405836260626 has 32 divisors (see below), whose sum is σ = 813232198656. Its totient is φ = 135018954000.

The previous prime is 405836260603. The next prime is 405836260631. The reversal of 405836260626 is 626062638504.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12367621 + ... + 12400391.

It is an arithmetic number, because the mean of its divisors is an integer number (25413506208).

Almost surely, 2^405836260626 is an apocalyptic number.

405836260626 is an abundant number, since it is smaller than the sum of its proper divisors (407395938030).

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

405836260626 is a wasteful number, since it uses less digits than its factorization.

405836260626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36678.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 405836260626 in words is "four hundred five billion, eight hundred thirty-six million, two hundred sixty thousand, six hundred twenty-six".