40692969 has 16 divisors (see below), whose sum is σ = 60385600. Its totient is φ = 27083808.

The previous prime is 40692961. The next prime is 40692983. The reversal of 40692969 is 96929604.

It is not a de Polignac number, because 40692969 - 2³ = 40692961 is a prime.

It is a super-2 number, since 2×40692969² = 3311835452069922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40692961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27162 + ... + 28620.

It is an arithmetic number, because the mean of its divisors is an integer number (3774100).

Almost surely, 2^40692969 is an apocalyptic number.

It is an amenable number.

40692969 is a deficient number, since it is larger than the sum of its proper divisors (19692631).

40692969 is a wasteful number, since it uses less digits than its factorization.

40692969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 40692969 is about 6379.1040907011. The cubic root of 40692969 is about 343.9588269859.

The spelling of 40692969 in words is "forty million, six hundred ninety-two thousand, nine hundred sixty-nine".