40030011 has 48 divisors (see below), whose sum is σ = 70041600. Its totient is φ = 22525776.

The previous prime is 40029989. The next prime is 40030027. The reversal of 40030011 is 11003004.

It is not a de Polignac number, because 40030011 - 2¹⁰ = 40028987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 40029975 and 40030002.

It is not an unprimeable number, because it can be changed into a prime (40030811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104326 + ... + 104708.

It is an arithmetic number, because the mean of its divisors is an integer number (1459200).

Almost surely, 2^40030011 is an apocalyptic number.

40030011 is a deficient number, since it is larger than the sum of its proper divisors (30011589).

40030011 is a wasteful number, since it uses less digits than its factorization.

40030011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 40030011 is about 6326.9274533536. The cubic root of 40030011 is about 342.0806981008.

Adding to 40030011 its reverse (11003004), we get a palindrome (51033015).

The spelling of 40030011 in words is "forty million, thirty thousand, eleven".