406332742 has 16 divisors (see below), whose sum is σ = 662796000. Its totient is φ = 186046848.

The previous prime is 406332739. The next prime is 406332749. The reversal of 406332742 is 247233604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406332749) 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, 160242 + ... + 162757.

It is an arithmetic number, because the mean of its divisors is an integer number (41424750).

Almost surely, 2^406332742 is an apocalyptic number.

406332742 is a deficient number, since it is larger than the sum of its proper divisors (256463258).

406332742 is a wasteful number, since it uses less digits than its factorization.

406332742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323055.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 406332742 is about 20157.6968426455. The cubic root of 406332742 is about 740.6742952988.

The spelling of 406332742 in words is "four hundred six million, three hundred thirty-two thousand, seven hundred forty-two".