40425135 has 32 divisors (see below), whose sum is σ = 66251520. Its totient is φ = 21043968.

The previous prime is 40425113. The next prime is 40425163. The reversal of 40425135 is 53152404.

It is not a de Polignac number, because 40425135 - 2¹¹ = 40423087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142704 + ... + 142986.

It is an arithmetic number, because the mean of its divisors is an integer number (2070360).

Almost surely, 2^40425135 is an apocalyptic number.

40425135 is a deficient number, since it is larger than the sum of its proper divisors (25826385).

40425135 is a wasteful number, since it uses less digits than its factorization.

40425135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40425135 is about 6358.0763600322. The cubic root of 40425135 is about 343.2025397006.

Adding to 40425135 its reverse (53152404), we get a palindrome (93577539).

The spelling of 40425135 in words is "forty million, four hundred twenty-five thousand, one hundred thirty-five".