40034149 has 8 divisors (see below), whose sum is σ = 40717760. Its totient is φ = 39354336.

The previous prime is 40034129. The next prime is 40034179. The reversal of 40034149 is 94143004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40034149 - 2⁷ = 40034021 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 (40034129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26944 + ... + 28390.

It is an arithmetic number, because the mean of its divisors is an integer number (5089720).

Almost surely, 2^40034149 is an apocalyptic number.

It is an amenable number.

40034149 is a deficient number, since it is larger than the sum of its proper divisors (683611).

40034149 is a wasteful number, since it uses less digits than its factorization.

40034149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40034149 is about 6327.2544598744. The cubic root of 40034149 is about 342.0924849337.

The spelling of 40034149 in words is "forty million, thirty-four thousand, one hundred forty-nine".