406364442 has 32 divisors (see below), whose sum is σ = 888053760. Its totient is φ = 122940720.

The previous prime is 406364423. The next prime is 406364449. The reversal of 406364442 is 244463604.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (406364449) 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 15 ways as a sum of consecutive naturals, for example, 38823 + ... + 48165.

It is an arithmetic number, because the mean of its divisors is an integer number (27751680).

Almost surely, 2^406364442 is an apocalyptic number.

406364442 is an abundant number, since it is smaller than the sum of its proper divisors (481689318).

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

406364442 is a wasteful number, since it uses less digits than its factorization.

406364442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018.

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 406364442 is about 20158.4831274578. The cubic root of 406364442 is about 740.6935560033.

The spelling of 406364442 in words is "four hundred six million, three hundred sixty-four thousand, four hundred forty-two".