40104685 has 8 divisors (see below), whose sum is σ = 48270456. Its totient is φ = 31987200.

The previous prime is 40104661. The next prime is 40104689. The reversal of 40104685 is 58640104.

It can be written as a sum of positive squares in 4 ways, for example, as 4272489 + 35832196 = 2067^2 + 5986^2 .

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

It is not a de Polignac number, because 40104685 - 2⁵ = 40104653 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 (40104689) 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, 10216 + ... + 13585.

It is an arithmetic number, because the mean of its divisors is an integer number (6033807).

Almost surely, 2^40104685 is an apocalyptic number.

It is an amenable number.

40104685 is a deficient number, since it is larger than the sum of its proper divisors (8165771).

40104685 is a wasteful number, since it uses less digits than its factorization.

40104685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24143.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40104685 is about 6332.8259884510. The cubic root of 40104685 is about 342.2932774950.

Adding to 40104685 its reverse (58640104), we get a palindrome (98744789).

The spelling of 40104685 in words is "forty million, one hundred four thousand, six hundred eighty-five".