40112999 has 8 divisors (see below), whose sum is σ = 40602240. Its totient is φ = 39627000.

The previous prime is 40112983. The next prime is 40113019. The reversal of 40112999 is 99921104.

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 40112999 - 2⁴ = 40112983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40112939) 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, 31232 + ... + 32490.

It is an arithmetic number, because the mean of its divisors is an integer number (5075280).

Almost surely, 2^40112999 is an apocalyptic number.

40112999 is a deficient number, since it is larger than the sum of its proper divisors (489241).

40112999 is a wasteful number, since it uses less digits than its factorization.

40112999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 40112999 is about 6333.4823754393. The cubic root of 40112999 is about 342.3169291763.

The spelling of 40112999 in words is "forty million, one hundred twelve thousand, nine hundred ninety-nine".