401334433 has 4 divisors (see below), whose sum is σ = 407913748. Its totient is φ = 394755120.

The previous prime is 401334407. The next prime is 401334443. The reversal of 401334433 is 334433104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 177742224 + 223592209 = 13332^2 + 14953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401334433 is a prime.

It is a super-2 number, since 2×401334433² = 322138654222862978, 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 = 401334398 and 401334407.

It is not an unprimeable number, because it can be changed into a prime (401334443) 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, 3289566 + ... + 3289687.

It is an arithmetic number, because the mean of its divisors is an integer number (101978437).

Almost surely, 2^401334433 is an apocalyptic number.

It is an amenable number.

401334433 is a deficient number, since it is larger than the sum of its proper divisors (6579315).

401334433 is an equidigital number, since it uses as much as digits as its factorization.

401334433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579314.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 401334433 is about 20033.3330476983. Note that the first 3 decimals coincide. The cubic root of 401334433 is about 737.6247391420.

Adding to 401334433 its reverse (334433104), we get a palindrome (735767537).

The spelling of 401334433 in words is "four hundred one million, three hundred thirty-four thousand, four hundred thirty-three".