401342043 has 8 divisors (see below), whose sum is σ = 535732288. Its totient is φ = 267256584.

The previous prime is 401342009. The next prime is 401342047. The reversal of 401342043 is 340243104.

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

It is not a de Polignac number, because 401342043 - 2²⁵ = 367787611 is a prime.

It is a super-2 number, since 2×401342043² = 322150870958827698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401342047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73105 + ... + 78402.

It is an arithmetic number, because the mean of its divisors is an integer number (66966536).

Almost surely, 2^401342043 is an apocalyptic number.

401342043 is a deficient number, since it is larger than the sum of its proper divisors (134390245).

401342043 is a wasteful number, since it uses less digits than its factorization.

401342043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152393.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 401342043 is about 20033.5229802449. The cubic root of 401342043 is about 737.6294013292.

Adding to 401342043 its reverse (340243104), we get a palindrome (741585147).

It can be divided in two parts, 4013 and 42043, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 401342043 in words is "four hundred one million, three hundred forty-two thousand, forty-three".