40117329 has 24 divisors (see below), whose sum is σ = 69138720. Its totient is φ = 22923432.

The previous prime is 40117327. The next prime is 40117333. The reversal of 40117329 is 92371104.

It is not a de Polignac number, because 40117329 - 2¹ = 40117327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40117327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13839 + ... + 16484.

It is an arithmetic number, because the mean of its divisors is an integer number (2880780).

Almost surely, 2^40117329 is an apocalyptic number.

40117329 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40117329 is a deficient number, since it is larger than the sum of its proper divisors (29021391).

40117329 is a wasteful number, since it uses less digits than its factorization.

40117329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30346 (or 30333 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 40117329 is about 6333.8242002758. The cubic root of 40117329 is about 342.3292458733.

The spelling of 40117329 in words is "forty million, one hundred seventeen thousand, three hundred twenty-nine".