40012999 has 8 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 36856416.

The previous prime is 40012969. The next prime is 40013023. The reversal of 40012999 is 99921004.

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 40012999 - 2⁵ = 40012967 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 (40012969) 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, 3594 + ... + 9640.

It is an arithmetic number, because the mean of its divisors is an integer number (5397840).

Almost surely, 2^40012999 is an apocalyptic number.

40012999 is a deficient number, since it is larger than the sum of its proper divisors (3169721).

40012999 is a wasteful number, since it uses less digits than its factorization.

40012999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 40012999 is about 6325.5828980419. The cubic root of 40012999 is about 342.0322319519.

The spelling of 40012999 in words is "forty million, twelve thousand, nine hundred ninety-nine".