40432238 has 32 divisors (see below), whose sum is σ = 76377600. Its totient is φ = 15593760.

The previous prime is 40432237. The next prime is 40432303. The reversal of 40432238 is 83223404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40432237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14588 + ... + 17136.

It is an arithmetic number, because the mean of its divisors is an integer number (2386800).

Almost surely, 2^40432238 is an apocalyptic number.

40432238 is a deficient number, since it is larger than the sum of its proper divisors (35945362).

40432238 is a wasteful number, since it uses less digits than its factorization.

40432238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40432238 is about 6358.6349163952. The cubic root of 40432238 is about 343.2226396119. Note that the first 3 decimals are identical.

The spelling of 40432238 in words is "forty million, four hundred thirty-two thousand, two hundred thirty-eight".