405062042 has 32 divisors (see below), whose sum is σ = 776006784. Its totient is φ = 153964800.

The previous prime is 405062017. The next prime is 405062057. The reversal of 405062042 is 240260504.

It is a junction number, because it is equal to n+sod(n) for n = 405061999 and 405062017.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25763 + ... + 38390.

It is an arithmetic number, because the mean of its divisors is an integer number (24250212).

Almost surely, 2^405062042 is an apocalyptic number.

405062042 is a deficient number, since it is larger than the sum of its proper divisors (370944742).

405062042 is a wasteful number, since it uses less digits than its factorization.

405062042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64214.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 405062042 is about 20126.1531843519. The cubic root of 405062042 is about 739.9014003033.

The spelling of 405062042 in words is "four hundred five million, sixty-two thousand, forty-two".