43442404 has 12 divisors (see below), whose sum is σ = 77459004. Its totient is φ = 21311264.

The previous prime is 43442393. The next prime is 43442453. The reversal of 43442404 is 40424434.

It can be written as a sum of positive squares in 2 ways, for example, as 24502500 + 18939904 = 4950^2 + 4352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102247 + ... + 102670.

It is an arithmetic number, because the mean of its divisors is an integer number (6454917).

Almost surely, 2^43442404 is an apocalyptic number.

It is an amenable number.

43442404 is a deficient number, since it is larger than the sum of its proper divisors (34016600).

43442404 is a wasteful number, since it uses less digits than its factorization.

43442404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204974 (or 204972 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 43442404 is about 6591.0851913778. The cubic root of 43442404 is about 351.5371952381.

Adding to 43442404 its reverse (40424434), we get a palindrome (83866838).

The spelling of 43442404 in words is "forty-three million, four hundred forty-two thousand, four hundred four".