40456099 has 2 divisors, whose sum is σ = 40456100. Its totient is φ = 40456098.

The previous prime is 40456093. The next prime is 40456121. The reversal of 40456099 is 99065404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40456099 is a prime.

It is not a weakly prime, because it can be changed into another prime (40456093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20228049 + 20228050.

It is an arithmetic number, because the mean of its divisors is an integer number (20228050).

Almost surely, 2^40456099 is an apocalyptic number.

40456099 is a deficient number, since it is larger than the sum of its proper divisors (1).

40456099 is an equidigital number, since it uses as much as digits as its factorization.

40456099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 40456099 is about 6360.5109071520. The cubic root of 40456099 is about 343.2901437068.

The spelling of 40456099 in words is "forty million, four hundred fifty-six thousand, ninety-nine".