402441334 has 8 divisors (see below), whose sum is σ = 603765000. Its totient is φ = 201186336.

The previous prime is 402441331. The next prime is 402441367. The reversal of 402441334 is 433144204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402441299 and 402441308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402441331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582 + ... + 28414.

It is an arithmetic number, because the mean of its divisors is an integer number (75470625).

Almost surely, 2^402441334 is an apocalyptic number.

402441334 is a deficient number, since it is larger than the sum of its proper divisors (201323666).

402441334 is a wasteful number, since it uses less digits than its factorization.

402441334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34334.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 402441334 is about 20060.9405063671. The cubic root of 402441334 is about 738.3022523025.

Adding to 402441334 its reverse (433144204), we get a palindrome (835585538).

The spelling of 402441334 in words is "four hundred two million, four hundred forty-one thousand, three hundred thirty-four".