40104373 has 4 divisors (see below), whose sum is σ = 40501548. Its totient is φ = 39707200.

The previous prime is 40104353. The next prime is 40104397. The reversal of 40104373 is 37340104.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36505764 + 3598609 = 6042^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 40104373 - 2¹³ = 40096181 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 (40104353) 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, 198436 + ... + 198637.

It is an arithmetic number, because the mean of its divisors is an integer number (10125387).

Almost surely, 2^40104373 is an apocalyptic number.

It is an amenable number.

40104373 is a deficient number, since it is larger than the sum of its proper divisors (397175).

40104373 is a wasteful number, since it uses less digits than its factorization.

40104373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397174.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 40104373 is about 6332.8013548508. The cubic root of 40104373 is about 342.2923898533.

Adding to 40104373 its reverse (37340104), we get a palindrome (77444477).

The spelling of 40104373 in words is "forty million, one hundred four thousand, three hundred seventy-three".