402204111201042 has 32 divisors (see below), whose sum is σ = 823832294375808. Its totient is φ = 130856905061376.

The previous prime is 402204111200959. The next prime is 402204111201049. The reversal of 402204111201042 is 240102111402204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402204111201049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276603918 + ... + 3276726665.

It is an arithmetic number, because the mean of its divisors is an integer number (25744759199244).

Almost surely, 2^{402204111201042} is an apocalyptic number.

402204111201042 is an abundant number, since it is smaller than the sum of its proper divisors (421628183174766).

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

402204111201042 is a wasteful number, since it uses less digits than its factorization.

402204111201042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553330834.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 402204111201042 its reverse (240102111402204), we get a palindrome (642306222603246).

The spelling of 402204111201042 in words is "four hundred two trillion, two hundred four billion, one hundred eleven million, two hundred one thousand, forty-two".