43323400404 has 18 divisors (see below), whose sum is σ = 109511928890. Its totient is φ = 14441133456.

The previous prime is 43323400349. The next prime is 43323400409. The reversal of 43323400404 is 40400432334.

It can be written as a sum of positive squares in only one way, i.e., 37635224004 + 5688176400 = 193998^2 + 75420^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43323400409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601713859 + ... + 601713930.

Almost surely, 2^43323400404 is an apocalyptic number.

It is an amenable number.

43323400404 is an abundant number, since it is smaller than the sum of its proper divisors (66188528486).

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

43323400404 is a wasteful number, since it uses less digits than its factorization.

43323400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203427799 (or 1203427794 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 43323400404 its reverse (40400432334), we get a palindrome (83723832738).

The spelling of 43323400404 in words is "forty-three billion, three hundred twenty-three million, four hundred thousand, four hundred four".