40040337 has 4 divisors (see below), whose sum is σ = 53387120. Its totient is φ = 26693556.

The previous prime is 40040293. The next prime is 40040393. The reversal of 40040337 is 73304004.

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 not a de Polignac number, because 40040337 - 2¹⁰ = 40039313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40040537) 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, 6673387 + ... + 6673392.

It is an arithmetic number, because the mean of its divisors is an integer number (13346780).

Almost surely, 2^40040337 is an apocalyptic number.

It is an amenable number.

40040337 is a deficient number, since it is larger than the sum of its proper divisors (13346783).

40040337 is a wasteful number, since it uses less digits than its factorization.

40040337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346782.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 40040337 is about 6327.7434366447. The cubic root of 40040337 is about 342.1101095475.

The spelling of 40040337 in words is "forty million, forty thousand, three hundred thirty-seven".