40680273 has 16 divisors (see below), whose sum is σ = 57337920. Its totient is φ = 25583616.

The previous prime is 40680271. The next prime is 40680287. The reversal of 40680273 is 37208604.

It is not a de Polignac number, because 40680273 - 2¹ = 40680271 is a prime.

It is a super-2 number, since 2×40680273² = 3309769222709058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40680273.

It is not an unprimeable number, because it can be changed into a prime (40680271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13261 + ... + 16037.

It is an arithmetic number, because the mean of its divisors is an integer number (3583620).

Almost surely, 2^40680273 is an apocalyptic number.

It is an amenable number.

40680273 is a deficient number, since it is larger than the sum of its proper divisors (16657647).

40680273 is a wasteful number, since it uses less digits than its factorization.

40680273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40680273 is about 6378.1088890046. The cubic root of 40680273 is about 343.9230521284.

Adding to 40680273 its reverse (37208604), we get a palindrome (77888877).

The spelling of 40680273 in words is "forty million, six hundred eighty thousand, two hundred seventy-three".