42204190401 has 32 divisors (see below), whose sum is σ = 66209740800. Its totient is φ = 26495611920.

The previous prime is 42204190367. The next prime is 42204190433. The reversal of 42204190401 is 10409140224.

It is a happy number.

42204190401 is a `hidden beast` number, since 42 + 204 + 19 + 0 + 401 = 666.

It is not a de Polignac number, because 42204190401 - 2¹⁸ = 42203928257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42204190451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160645 + ... + 331986.

It is an arithmetic number, because the mean of its divisors is an integer number (2069054400).

Almost surely, 2^42204190401 is an apocalyptic number.

It is an amenable number.

42204190401 is a deficient number, since it is larger than the sum of its proper divisors (24005550399).

42204190401 is a wasteful number, since it uses less digits than its factorization.

42204190401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492826 (or 492820 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 42204190401 in words is "forty-two billion, two hundred four million, one hundred ninety thousand, four hundred one".