403440034 has 16 divisors (see below), whose sum is σ = 645986880. Its totient is φ = 188410320.

The previous prime is 403440019. The next prime is 403440047. The reversal of 403440034 is 430044304.

It is a happy number.

It is a super-2 number, since 2×403440034² = 325527722067842312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403439987 and 403440014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72069 + ... + 77464.

It is an arithmetic number, because the mean of its divisors is an integer number (40374180).

Almost surely, 2^403440034 is an apocalyptic number.

403440034 is a deficient number, since it is larger than the sum of its proper divisors (242546846).

403440034 is a wasteful number, since it uses less digits than its factorization.

403440034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149625.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 403440034 is about 20085.8167371904. The cubic root of 403440034 is about 738.9124723984.

Adding to 403440034 its reverse (430044304), we get a palindrome (833484338).

The spelling of 403440034 in words is "four hundred three million, four hundred forty thousand, thirty-four".