402244134 has 8 divisors (see below), whose sum is σ = 804488280. Its totient is φ = 134081376.

The previous prime is 402244121. The next prime is 402244147. The reversal of 402244134 is 431442204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402244121) and next prime (402244147).

It is a sphenic number, since it is the product of 3 distinct primes.

402244134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33520339 + ... + 33520350.

It is an arithmetic number, because the mean of its divisors is an integer number (100561035).

Almost surely, 2^402244134 is an apocalyptic number.

402244134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402244134 is a wasteful number, since it uses less digits than its factorization.

402244134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67040694.

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

The square root of 402244134 is about 20056.0248803196. The cubic root of 402244134 is about 738.1816409413.

Adding to 402244134 its reverse (431442204), we get a palindrome (833686338).

The spelling of 402244134 in words is "four hundred two million, two hundred forty-four thousand, one hundred thirty-four".