40112069 has 8 divisors (see below), whose sum is σ = 42178752. Its totient is φ = 38072320.

The previous prime is 40112003. The next prime is 40112081. The reversal of 40112069 is 96021104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40112069 - 2¹⁶ = 40046533 is a prime.

It is a super-2 number, since 2×40112069² = 3217956158921522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3644 + ... + 9669.

It is an arithmetic number, because the mean of its divisors is an integer number (5272344).

Almost surely, 2^40112069 is an apocalyptic number.

It is an amenable number.

40112069 is a deficient number, since it is larger than the sum of its proper divisors (2066683).

40112069 is a wasteful number, since it uses less digits than its factorization.

40112069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 40112069 is about 6333.4089556889. The cubic root of 40112069 is about 342.3142836730.

The spelling of 40112069 in words is "forty million, one hundred twelve thousand, sixty-nine".