40492477 has 16 divisors (see below), whose sum is σ = 44064000. Its totient is φ = 37088064.

The previous prime is 40492469. The next prime is 40492481. The reversal of 40492477 is 77429404.

It is a cyclic number.

It is not a de Polignac number, because 40492477 - 2³ = 40492469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40492447) by changing a digit.

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, 79299 + ... + 79807.

It is an arithmetic number, because the mean of its divisors is an integer number (2754000).

Almost surely, 2^40492477 is an apocalyptic number.

It is an amenable number.

40492477 is a deficient number, since it is larger than the sum of its proper divisors (3571523).

40492477 is a wasteful number, since it uses less digits than its factorization.

40492477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 40492477 is about 6363.3699405268. The cubic root of 40492477 is about 343.3930080289.

The spelling of 40492477 in words is "forty million, four hundred ninety-two thousand, four hundred seventy-seven".