40373306 has 4 divisors (see below), whose sum is σ = 60559962. Its totient is φ = 20186652.

The previous prime is 40373299. The next prime is 40373321. The reversal of 40373306 is 60337304.

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

It can be written as a sum of positive squares in only one way, i.e., 40132225 + 241081 = 6335^2 + 491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10093325 + ... + 10093328.

Almost surely, 2^40373306 is an apocalyptic number.

40373306 is a deficient number, since it is larger than the sum of its proper divisors (20186656).

40373306 is a wasteful number, since it uses less digits than its factorization.

40373306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186655.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 40373306 is about 6353.9992130941. Note that the first 3 decimals coincide. The cubic root of 40373306 is about 343.0558038330.

The spelling of 40373306 in words is "forty million, three hundred seventy-three thousand, three hundred six".