40640314 has 16 divisors (see below), whose sum is σ = 71618400. Its totient is φ = 17051760.

The previous prime is 40640311. The next prime is 40640317. The reversal of 40640314 is 41304604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40640311) and next prime (40640317).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (40640311) 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, 70764 + ... + 71335.

It is an arithmetic number, because the mean of its divisors is an integer number (4476150).

Almost surely, 2^40640314 is an apocalyptic number.

40640314 is a deficient number, since it is larger than the sum of its proper divisors (30978086).

40640314 is a wasteful number, since it uses less digits than its factorization.

40640314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142125.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40640314 is about 6374.9756077965. The cubic root of 40640314 is about 343.8104068387.

Adding to 40640314 its reverse (41304604), we get a palindrome (81944918).

The spelling of 40640314 in words is "forty million, six hundred forty thousand, three hundred fourteen".