402443034 has 32 divisors (see below), whose sum is σ = 951592320. Its totient is φ = 111018432.

The previous prime is 402443033. The next prime is 402443053. The reversal of 402443034 is 430344204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402442995 and 402443013.

It is not an unprimeable number, because it can be changed into a prime (402443033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163989 + ... + 166424.

It is an arithmetic number, because the mean of its divisors is an integer number (29737260).

Almost surely, 2^402443034 is an apocalyptic number.

402443034 is an abundant number, since it is smaller than the sum of its proper divisors (549149286).

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

402443034 is a wasteful number, since it uses less digits than its factorization.

402443034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330454.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 402443034 is about 20060.9828772172. The cubic root of 402443034 is about 738.3032918843.

Adding to 402443034 its reverse (430344204), we get a palindrome (832787238).

The spelling of 402443034 in words is "four hundred two million, four hundred forty-three thousand, thirty-four".