40436472 has 32 divisors (see below), whose sum is σ = 107038800. Its totient is φ = 12685824.

The previous prime is 40436453. The next prime is 40436483. The reversal of 40436472 is 27463404.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 49147 + ... + 49962.

Almost surely, 2^40436472 is an apocalyptic number.

It is an amenable number.

40436472 is an abundant number, since it is smaller than the sum of its proper divisors (66602328).

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

40436472 is a wasteful number, since it uses less digits than its factorization.

40436472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99135 (or 99131 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 40436472 is about 6358.9678407742. The cubic root of 40436472 is about 343.2346197710.

Adding to 40436472 its reverse (27463404), we get a palindrome (67899876).

The spelling of 40436472 in words is "forty million, four hundred thirty-six thousand, four hundred seventy-two".