405236152406 has 12 divisors (see below), whose sum is σ = 615266029932. Its totient is φ = 200176887756.

The previous prime is 405236152379. The next prime is 405236152501. The reversal of 405236152406 is 604251632504.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 405236152406.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 14692136 + ... + 14719691.

It is an arithmetic number, because the mean of its divisors is an integer number (51272169161).

Almost surely, 2^405236152406 is an apocalyptic number.

405236152406 is a deficient number, since it is larger than the sum of its proper divisors (210029877526).

405236152406 is an equidigital number, since it uses as much as digits as its factorization.

405236152406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29411995 (or 29411912 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 405236152406 in words is "four hundred five billion, two hundred thirty-six million, one hundred fifty-two thousand, four hundred six".