403443220434 has 16 divisors (see below), whose sum is σ = 817939680672. Its totient is φ = 132638866848.

The previous prime is 403443220403. The next prime is 403443220447. The reversal of 403443220434 is 434022344304.

It is a super-2 number, since 2×403443220434² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403443220395 and 403443220404.

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, 460551184 + ... + 460552059.

It is an arithmetic number, because the mean of its divisors is an integer number (51121230042).

Almost surely, 2^403443220434 is an apocalyptic number.

403443220434 is an abundant number, since it is smaller than the sum of its proper divisors (414496460238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403443220434 is a wasteful number, since it uses less digits than its factorization.

403443220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921103321.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 403443220434 its reverse (434022344304), we get a palindrome (837465564738).

The spelling of 403443220434 in words is "four hundred three billion, four hundred forty-three million, two hundred twenty thousand, four hundred thirty-four".