402424442042 has 16 divisors (see below), whose sum is σ = 713659109760. Its totient is φ = 166520458608.

The previous prime is 402424441981. The next prime is 402424442081. The reversal of 402424442042 is 240244424204.

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 7 ways as a sum of consecutive naturals, for example, 495596198 + ... + 495597009.

It is an arithmetic number, because the mean of its divisors is an integer number (44603694360).

Almost surely, 2^402424442042 is an apocalyptic number.

402424442042 is a deficient number, since it is larger than the sum of its proper divisors (311234667718).

402424442042 is a wasteful number, since it uses less digits than its factorization.

402424442042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991193245.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 402424442042 its reverse (240244424204), we get a palindrome (642668866246).

The spelling of 402424442042 in words is "four hundred two billion, four hundred twenty-four million, four hundred forty-two thousand, forty-two".