40012299 has 10 divisors (see below), whose sum is σ = 59771580. Its totient is φ = 26674812.

The previous prime is 40012277. The next prime is 40012319. The reversal of 40012299 is 99221004.

It is not a de Polignac number, because 40012299 - 2⁵ = 40012267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40012229) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 246909 + ... + 247070.

It is an arithmetic number, because the mean of its divisors is an integer number (5977158).

Almost surely, 2^40012299 is an apocalyptic number.

40012299 is a deficient number, since it is larger than the sum of its proper divisors (19759281).

40012299 is an equidigital number, since it uses as much as digits as its factorization.

40012299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493991 (or 493982 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 40012299 is about 6325.5275669307. The cubic root of 40012299 is about 342.0302374004.

The spelling of 40012299 in words is "forty million, twelve thousand, two hundred ninety-nine".