40372535 has 16 divisors (see below), whose sum is σ = 58625856. Its totient is φ = 26055168.

The previous prime is 40372531. The next prime is 40372537. The reversal of 40372535 is 53527304.

It is a cyclic number.

It is not a de Polignac number, because 40372535 - 2² = 40372531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40372498 and 40372507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40372531) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33332 + ... + 34521.

It is an arithmetic number, because the mean of its divisors is an integer number (3664116).

Almost surely, 2^40372535 is an apocalyptic number.

40372535 is a deficient number, since it is larger than the sum of its proper divisors (18253321).

40372535 is a wasteful number, since it uses less digits than its factorization.

40372535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67882.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 40372535 is about 6353.9385423531. The cubic root of 40372535 is about 343.0536200658.

Adding to 40372535 its reverse (53527304), we get a palindrome (93899839).

The spelling of 40372535 in words is "forty million, three hundred seventy-two thousand, five hundred thirty-five".