40640301 has 24 divisors (see below), whose sum is σ = 63635936. Its totient is φ = 24844320.

The previous prime is 40640239. The next prime is 40640311. The reversal of 40640301 is 10304604.

It is not a de Polignac number, because 40640301 - 2²³ = 32251693 is a prime.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 18006 + ... + 20136.

Almost surely, 2^40640301 is an apocalyptic number.

It is an amenable number.

40640301 is a deficient number, since it is larger than the sum of its proper divisors (22995635).

40640301 is a wasteful number, since it uses less digits than its factorization.

40640301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40640301 is about 6374.9745881846. The cubic root of 40640301 is about 343.8103701794.

Adding to 40640301 its reverse (10304604), we get a palindrome (50944905).

The spelling of 40640301 in words is "forty million, six hundred forty thousand, three hundred one".