401142043 has 8 divisors (see below), whose sum is σ = 406486080. Its totient is φ = 395832840.

The previous prime is 401142031. The next prime is 401142061. The reversal of 401142043 is 340241104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401142043 - 2¹³ = 401133851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401142043.

It is not an unprimeable number, because it can be changed into a prime (401142023) 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 7 ways as a sum of consecutive naturals, for example, 14896 + ... + 32002.

It is an arithmetic number, because the mean of its divisors is an integer number (50810760).

Almost surely, 2^401142043 is an apocalyptic number.

401142043 is a deficient number, since it is larger than the sum of its proper divisors (5344037).

401142043 is a wasteful number, since it uses less digits than its factorization.

401142043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17417.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401142043 is about 20028.5307249434. The cubic root of 401142043 is about 737.5068538289.

Adding to 401142043 its reverse (340241104), we get a palindrome (741383147).

The spelling of 401142043 in words is "four hundred one million, one hundred forty-two thousand, forty-three".