401600342 has 32 divisors (see below), whose sum is σ = 709267104. Its totient is φ = 168134400.

The previous prime is 401600327. The next prime is 401600351. The reversal of 401600342 is 243006104.

It is a happy number.

It is a super-2 number, since 2×401600342² = 322565669389033928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158042 + ... + 160562.

It is an arithmetic number, because the mean of its divisors is an integer number (22164597).

Almost surely, 2^401600342 is an apocalyptic number.

401600342 is a deficient number, since it is larger than the sum of its proper divisors (307666762).

401600342 is a wasteful number, since it uses less digits than its factorization.

401600342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 401600342 is about 20039.9686127499. The cubic root of 401600342 is about 737.7876105846.

Adding to 401600342 its reverse (243006104), we get a palindrome (644606446).

The spelling of 401600342 in words is "four hundred one million, six hundred thousand, three hundred forty-two".