40492655 has 16 divisors (see below), whose sum is σ = 55894080. Its totient is φ = 27585792.

The previous prime is 40492643. The next prime is 40492681. The reversal of 40492655 is 55629404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40492655 - 2¹⁰ = 40491631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1811 + ... + 9179.

It is an arithmetic number, because the mean of its divisors is an integer number (3493380).

Almost surely, 2^40492655 is an apocalyptic number.

40492655 is a deficient number, since it is larger than the sum of its proper divisors (15401425).

40492655 is a wasteful number, since it uses less digits than its factorization.

40492655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 40492655 is about 6363.3839268113. The cubic root of 40492655 is about 343.3935111995.

The spelling of 40492655 in words is "forty million, four hundred ninety-two thousand, six hundred fifty-five".