40432004 has 12 divisors (see below), whose sum is σ = 72091404. Its totient is φ = 19834464.

The previous prime is 40431977. The next prime is 40432013. The reversal of 40432004 is 40023404.

It can be written as a sum of positive squares in 2 ways, for example, as 27457600 + 12974404 = 5240^2 + 3602^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95147 + ... + 95570.

It is an arithmetic number, because the mean of its divisors is an integer number (6007617).

Almost surely, 2^40432004 is an apocalyptic number.

It is an amenable number.

40432004 is a deficient number, since it is larger than the sum of its proper divisors (31659400).

40432004 is a wasteful number, since it uses less digits than its factorization.

40432004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190774 (or 190772 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40432004 is about 6358.6165161928. The cubic root of 40432004 is about 343.2219774814.

Adding to 40432004 its reverse (40023404), we get a palindrome (80455408).

The spelling of 40432004 in words is "forty million, four hundred thirty-two thousand, four".