402442062 has 64 divisors (see below), whose sum is σ = 911278080. Its totient is φ = 117381600.

The previous prime is 402442049. The next prime is 402442067. The reversal of 402442062 is 260244204.

It is a super-2 number, since 2×402442062² = 323919226533623688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402442067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488583 + ... + 489405.

It is an arithmetic number, because the mean of its divisors is an integer number (14238720).

Almost surely, 2^402442062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402442062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455639040).

402442062 is an abundant number, since it is smaller than the sum of its proper divisors (508836018).

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

402442062 is a wasteful number, since it uses less digits than its factorization.

402442062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 402442062 is about 20060.9586510715. The cubic root of 402442062 is about 738.3026974885.

Adding to 402442062 its reverse (260244204), we get a palindrome (662686266).

The spelling of 402442062 in words is "four hundred two million, four hundred forty-two thousand, sixty-two".