40113069 has 12 divisors (see below), whose sum is σ = 54974304. Its totient is φ = 26016624.

The previous prime is 40113053. The next prime is 40113131. The reversal of 40113069 is 96031104.

It is not a de Polignac number, because 40113069 - 2⁴ = 40113053 is a prime.

It is a super-2 number, since 2×40113069² = 3218116609197522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40113019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777 + ... + 8990.

It is an arithmetic number, because the mean of its divisors is an integer number (4581192).

Almost surely, 2^40113069 is an apocalyptic number.

It is an amenable number.

40113069 is a deficient number, since it is larger than the sum of its proper divisors (14861235).

40113069 is an equidigital number, since it uses as much as digits as its factorization.

40113069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844 (or 9807 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 40113069 is about 6333.4879016226. The cubic root of 40113069 is about 342.3171282985.

The spelling of 40113069 in words is "forty million, one hundred thirteen thousand, sixty-nine".