402340003413402 has 64 divisors (see below), whose sum is σ = 819342005299200. Its totient is φ = 131686124782464.

The previous prime is 402340003413373. The next prime is 402340003413409. The reversal of 402340003413402 is 204314300043204.

It is a happy number.

It is a super-2 number, since 2×402340003413402² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402340003413402.

It is not an unprimeable number, because it can be changed into a prime (402340003413409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1958490063 + ... + 1958695485.

It is an arithmetic number, because the mean of its divisors is an integer number (12802218832800).

Almost surely, 2^{402340003413402} is an apocalyptic number.

402340003413402 is an abundant number, since it is smaller than the sum of its proper divisors (417002001885798).

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

402340003413402 is a wasteful number, since it uses less digits than its factorization.

402340003413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225427.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 402340003413402 its reverse (204314300043204), we get a palindrome (606654303456606).

The spelling of 402340003413402 in words is "four hundred two trillion, three hundred forty billion, three million, four hundred thirteen thousand, four hundred two".