40432038 has 16 divisors (see below), whose sum is σ = 85120320. Its totient is φ = 12767976.

The previous prime is 40432037. The next prime is 40432043. The reversal of 40432038 is 83023404.

40432038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40431999 and 40432017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40432033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177220 + ... + 177447.

It is an arithmetic number, because the mean of its divisors is an integer number (5320020).

Almost surely, 2^40432038 is an apocalyptic number.

40432038 is an abundant number, since it is smaller than the sum of its proper divisors (44688282).

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

40432038 is a wasteful number, since it uses less digits than its factorization.

40432038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354691.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40432038 is about 6358.6191897298. The cubic root of 40432038 is about 343.2220736885. Note that the first 3 decimals are identical.

The spelling of 40432038 in words is "forty million, four hundred thirty-two thousand, thirty-eight".