401007443 has 8 divisors (see below), whose sum is σ = 413181600. Its totient is φ = 388903680.

The previous prime is 401007419. The next prime is 401007449. The reversal of 401007443 is 344700104.

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 401007443 - 2¹⁸ = 400745299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401007449) 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, 5918 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (51647700).

Almost surely, 2^401007443 is an apocalyptic number.

401007443 is a deficient number, since it is larger than the sum of its proper divisors (12174157).

401007443 is a wasteful number, since it uses less digits than its factorization.

401007443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35197.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 401007443 is about 20025.1702364799. The cubic root of 401007443 is about 737.4243564282.

Adding to 401007443 its reverse (344700104), we get a palindrome (745707547).

The spelling of 401007443 in words is "four hundred one million, seven thousand, four hundred forty-three".