405375006 has 16 divisors (see below), whose sum is σ = 812680848. Its totient is φ = 134803200.

The previous prime is 405374993. The next prime is 405375007. The reversal of 405375006 is 600573504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405375007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77715 + ... + 82766.

It is an arithmetic number, because the mean of its divisors is an integer number (50792553).

Almost surely, 2^405375006 is an apocalyptic number.

405375006 is an abundant number, since it is smaller than the sum of its proper divisors (407305842).

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

405375006 is a wasteful number, since it uses less digits than its factorization.

405375006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160907.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 405375006 is about 20133.9267407031. The cubic root of 405375006 is about 740.0919084773.

It can be divided in two parts, 405 and 375006, that added together give a triangular number (375411 = T₈₆₆).

The spelling of 405375006 in words is "four hundred five million, three hundred seventy-five thousand, six".