40670011 has 4 divisors (see below), whose sum is σ = 40913712. Its totient is φ = 40426312.

The previous prime is 40670009. The next prime is 40670023. The reversal of 40670011 is 11007604.

It is a happy number.

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 40670011 - 2¹ = 40670009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40670041) 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, 121600 + ... + 121933.

It is an arithmetic number, because the mean of its divisors is an integer number (10228428).

Almost surely, 2^40670011 is an apocalyptic number.

40670011 is a deficient number, since it is larger than the sum of its proper divisors (243701).

40670011 is a wasteful number, since it uses less digits than its factorization.

40670011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243700.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 40670011 is about 6377.3043678344. The cubic root of 40670011 is about 343.8941303693.

Adding to 40670011 its reverse (11007604), we get a palindrome (51677615).

The spelling of 40670011 in words is "forty million, six hundred seventy thousand, eleven".