402440200334 has 4 divisors (see below), whose sum is σ = 603660300504. Its totient is φ = 201220100166.

The previous prime is 402440200321. The next prime is 402440200367. The reversal of 402440200334 is 433002044204.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×402440200334² (a number of 24 digits) 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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610050082 + ... + 100610050085.

It is an arithmetic number, because the mean of its divisors is an integer number (150915075126).

Almost surely, 2^402440200334 is an apocalyptic number.

402440200334 is a deficient number, since it is larger than the sum of its proper divisors (201220100170).

402440200334 is a wasteful number, since it uses less digits than its factorization.

402440200334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201220100169.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 402440200334 its reverse (433002044204), we get a palindrome (835442244538).

The spelling of 402440200334 in words is "four hundred two billion, four hundred forty million, two hundred thousand, three hundred thirty-four".