40345011 has 24 divisors (see below), whose sum is σ = 66809184. Its totient is φ = 22982400.

The previous prime is 40345001. The next prime is 40345021. The reversal of 40345011 is 11054304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40345001) and next prime (40345021).

It is not a de Polignac number, because 40345011 - 2⁷ = 40344883 is a prime.

It is a super-3 number, since 3×40345011³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40345001) 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, 24465 + ... + 26061.

It is an arithmetic number, because the mean of its divisors is an integer number (2783716).

Almost surely, 2^40345011 is an apocalyptic number.

40345011 is a deficient number, since it is larger than the sum of its proper divisors (26464173).

40345011 is a wasteful number, since it uses less digits than its factorization.

40345011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 2008 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40345011 is about 6351.7722723662. The cubic root of 40345011 is about 342.9756433390.

Adding to 40345011 its reverse (11054304), we get a palindrome (51399315).

It can be divided in two parts, 4034 and 5011, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 40345011 in words is "forty million, three hundred forty-five thousand, eleven".