401043319 has 4 divisors (see below), whose sum is σ = 403444944. Its totient is φ = 398641696.

The previous prime is 401043289. The next prime is 401043323. The reversal of 401043319 is 913340104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401043319 - 2⁷ = 401043191 is a prime.

It is a super-2 number, since 2×401043319² = 321671487429071522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401043293 and 401043302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401043359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200562 + ... + 1200895.

It is an arithmetic number, because the mean of its divisors is an integer number (100861236).

Almost surely, 2^401043319 is an apocalyptic number.

401043319 is a deficient number, since it is larger than the sum of its proper divisors (2401625).

401043319 is a wasteful number, since it uses less digits than its factorization.

401043319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401624.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 401043319 is about 20026.0659891053. The cubic root of 401043319 is about 737.4463469156.

The spelling of 401043319 in words is "four hundred one million, forty-three thousand, three hundred nineteen".