40412599 has 2 divisors, whose sum is σ = 40412600. Its totient is φ = 40412598.

The previous prime is 40412597. The next prime is 40412609. The reversal of 40412599 is 99521404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40412599 - 2¹ = 40412597 is a prime.

It is a super-3 number, since 3×40412599³ (a number of 24 digits) contains 333 as substring.

Together with 40412597, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40412597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20206299 + 20206300.

It is an arithmetic number, because the mean of its divisors is an integer number (20206300).

Almost surely, 2^40412599 is an apocalyptic number.

40412599 is a deficient number, since it is larger than the sum of its proper divisors (1).

40412599 is an equidigital number, since it uses as much as digits as its factorization.

40412599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 40412599 is about 6357.0904508273. The cubic root of 40412599 is about 343.1670598616.

The spelling of 40412599 in words is "forty million, four hundred twelve thousand, five hundred ninety-nine".