40693497 has 16 divisors (see below), whose sum is σ = 61508160. Its totient is φ = 23723712.

The previous prime is 40693469. The next prime is 40693507. The reversal of 40693497 is 79439604.

It is not a de Polignac number, because 40693497 - 2⁷ = 40693369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40693097) 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, 26718 + ... + 28199.

It is an arithmetic number, because the mean of its divisors is an integer number (3844260).

Almost surely, 2^40693497 is an apocalyptic number.

It is an amenable number.

40693497 is a deficient number, since it is larger than the sum of its proper divisors (20814663).

40693497 is a wasteful number, since it uses less digits than its factorization.

40693497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54952.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 40693497 is about 6379.1454756887. The cubic root of 40693497 is about 343.9603146260.

The spelling of 40693497 in words is "forty million, six hundred ninety-three thousand, four hundred ninety-seven".