405011906006 has 8 divisors (see below), whose sum is σ = 607747378800. Its totient is φ = 202429446408.

The previous prime is 405011905993. The next prime is 405011906021. The reversal of 405011906006 is 600609110504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×405011906006² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 38246681 + ... + 38257268.

It is an arithmetic number, because the mean of its divisors is an integer number (75968422350).

Almost surely, 2^405011906006 is an apocalyptic number.

405011906006 is a deficient number, since it is larger than the sum of its proper divisors (202735472794).

405011906006 is a wasteful number, since it uses less digits than its factorization.

405011906006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76506598.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 405011906006 in words is "four hundred five billion, eleven million, nine hundred six thousand, six".