402441402342 has 32 divisors (see below), whose sum is σ = 919988640000. Its totient is φ = 114967935648.

The previous prime is 402441402323. The next prime is 402441402353. The reversal of 402441402342 is 243204144204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317592 + ... + 951707.

It is an arithmetic number, because the mean of its divisors is an integer number (28749645000).

Almost surely, 2^402441402342 is an apocalyptic number.

402441402342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402441402342 is an abundant number, since it is smaller than the sum of its proper divisors (517547237658).

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

402441402342 is a wasteful number, since it uses less digits than its factorization.

402441402342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276860.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 402441402342 its reverse (243204144204), we get a palindrome (645645546546).

The spelling of 402441402342 in words is "four hundred two billion, four hundred forty-one million, four hundred two thousand, three hundred forty-two".