401432042 has 16 divisors (see below), whose sum is σ = 658368000. Its totient is φ = 182058240.

The previous prime is 401432039. The next prime is 401432069. The reversal of 401432042 is 240234104.

It is a super-2 number, since 2×401432042² = 322295368688579528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10442 + ... + 30197.

It is an arithmetic number, because the mean of its divisors is an integer number (41148000).

Almost surely, 2^401432042 is an apocalyptic number.

401432042 is a deficient number, since it is larger than the sum of its proper divisors (256935958).

401432042 is a wasteful number, since it uses less digits than its factorization.

401432042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41101.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 401432042 is about 20035.7690643509. The cubic root of 401432042 is about 737.6845338096.

Adding to 401432042 its reverse (240234104), we get a palindrome (641666146).

The spelling of 401432042 in words is "four hundred one million, four hundred thirty-two thousand, forty-two".