40117349 has 4 divisors (see below), whose sum is σ = 40148064. Its totient is φ = 40086636.

The previous prime is 40117333. The next prime is 40117381. The reversal of 40117349 is 94371104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40117349 - 2⁴ = 40117333 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 (40117249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13307 + ... + 16040.

It is an arithmetic number, because the mean of its divisors is an integer number (10037016).

Almost surely, 2^40117349 is an apocalyptic number.

It is an amenable number.

40117349 is a deficient number, since it is larger than the sum of its proper divisors (30715).

40117349 is a wasteful number, since it uses less digits than its factorization.

40117349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30714.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40117349 is about 6333.8257791007. The cubic root of 40117349 is about 342.3293027613.

The spelling of 40117349 in words is "forty million, one hundred seventeen thousand, three hundred forty-nine".