40680245 has 8 divisors (see below), whose sum is σ = 48854016. Its totient is φ = 32519056.

The previous prime is 40680187. The next prime is 40680251. The reversal of 40680245 is 54208604.

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

It is a cyclic number.

It is not a de Polignac number, because 40680245 - 2¹² = 40676149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6884 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (6106752).

Almost surely, 2^40680245 is an apocalyptic number.

It is an amenable number.

40680245 is a deficient number, since it is larger than the sum of its proper divisors (8173771).

40680245 is a wasteful number, since it uses less digits than its factorization.

40680245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 40680245 is about 6378.1066939963. The cubic root of 40680245 is about 343.9229732217.

Adding to 40680245 its reverse (54208604), we get a palindrome (94888849).

The spelling of 40680245 in words is "forty million, six hundred eighty thousand, two hundred forty-five".