40068011 has 4 divisors (see below), whose sum is σ = 40299792. Its totient is φ = 39836232.

The previous prime is 40067999. The next prime is 40068079. The reversal of 40068011 is 11086004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40068011 - 2²² = 35873707 is a prime.

It is a super-2 number, since 2×40068011² = 3210891010992242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40098011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115631 + ... + 115976.

It is an arithmetic number, because the mean of its divisors is an integer number (10074948).

Almost surely, 2^40068011 is an apocalyptic number.

40068011 is a deficient number, since it is larger than the sum of its proper divisors (231781).

40068011 is a wasteful number, since it uses less digits than its factorization.

40068011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231780.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 40068011 is about 6329.9297784415. The cubic root of 40068011 is about 342.1889082085.

It can be divided in two parts, 4006 and 8011, that multiplied together give a triangular number (32092066 = T₈₀₁₁).

The spelling of 40068011 in words is "forty million, sixty-eight thousand, eleven".