40432275 has 72 divisors (see below), whose sum is σ = 81515616. Its totient is φ = 19008000.

The previous prime is 40432237. The next prime is 40432303. The reversal of 40432275 is 57223404.

40432275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40432275 - 2⁶ = 40432211 is a prime.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 66975 + ... + 67575.

Almost surely, 2^40432275 is an apocalyptic number.

40432275 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40432275 is an abundant number, since it is smaller than the sum of its proper divisors (41083341).

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

40432275 is a wasteful number, since it uses less digits than its factorization.

40432275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 40432275 is about 6358.6378258240. The cubic root of 40432275 is about 343.2227443075. Note that the first 3 decimals are identical.

Adding to 40432275 its reverse (57223404), we get a palindrome (97655679).

The spelling of 40432275 in words is "forty million, four hundred thirty-two thousand, two hundred seventy-five".