402334044 has 96 divisors (see below), whose sum is σ = 1144012800. Its totient is φ = 107490240.

The previous prime is 402334013. The next prime is 402334057. The reversal of 402334044 is 440433204.

It is a happy number.

It is a super-2 number, since 2×402334044² = 323745365922787872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124489 + ... + 127679.

It is an arithmetic number, because the mean of its divisors is an integer number (11916800).

Almost surely, 2^402334044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402334044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572006400).

402334044 is an abundant number, since it is smaller than the sum of its proper divisors (741678756).

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

402334044 is a wasteful number, since it uses less digits than its factorization.

402334044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303 (or 3301 counting only the distinct ones).

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

The square root of 402334044 is about 20058.2662261722. The cubic root of 402334044 is about 738.2366365367.

Adding to 402334044 its reverse (440433204), we get a palindrome (842767248).

The spelling of 402334044 in words is "four hundred two million, three hundred thirty-four thousand, forty-four".