40034899 has 2 divisors, whose sum is σ = 40034900. Its totient is φ = 40034898.

The previous prime is 40034893. The next prime is 40034923. The reversal of 40034899 is 99843004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40034899 - 2⁵ = 40034867 is a prime.

It is not a weakly prime, because it can be changed into another prime (40034893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017449 + 20017450.

It is an arithmetic number, because the mean of its divisors is an integer number (20017450).

Almost surely, 2^40034899 is an apocalyptic number.

40034899 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034899 is an equidigital number, since it uses as much as digits as its factorization.

40034899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 40034899 is about 6327.3137270093. The cubic root of 40034899 is about 342.0946211746.

The spelling of 40034899 in words is "forty million, thirty-four thousand, eight hundred ninety-nine".