40614013 has 6 divisors (see below), whose sum is σ = 44641982. Its totient is φ = 36921720.

The previous prime is 40613981. The next prime is 40614023. The reversal of 40614013 is 31041604.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35676729 + 4937284 = 5973^2 + 2222^2 .

It is not a de Polignac number, because 40614013 - 2⁵ = 40613981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40614023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167706 + ... + 167947.

Almost surely, 2^40614013 is an apocalyptic number.

It is an amenable number.

40614013 is a deficient number, since it is larger than the sum of its proper divisors (4027969).

40614013 is a wasteful number, since it uses less digits than its factorization.

40614013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335675 (or 335664 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40614013 is about 6372.9124425179. The cubic root of 40614013 is about 343.7362234479.

Adding to 40614013 its reverse (31041604), we get a palindrome (71655617).

The spelling of 40614013 in words is "forty million, six hundred fourteen thousand, thirteen".