40173339 has 4 divisors (see below), whose sum is σ = 53564456. Its totient is φ = 26782224.

The previous prime is 40173313. The next prime is 40173361. The reversal of 40173339 is 93337104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40173339 - 2¹² = 40169243 is a prime.

It is a super-2 number, since 2×40173339² = 3227794332817842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40172339) 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, 6695554 + ... + 6695559.

It is an arithmetic number, because the mean of its divisors is an integer number (13391114).

Almost surely, 2^40173339 is an apocalyptic number.

40173339 is a deficient number, since it is larger than the sum of its proper divisors (13391117).

40173339 is a wasteful number, since it uses less digits than its factorization.

40173339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13391116.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 40173339 is about 6338.2441574935. The cubic root of 40173339 is about 342.4884866572.

The spelling of 40173339 in words is "forty million, one hundred seventy-three thousand, three hundred thirty-nine".