40576999 has 2 divisors, whose sum is σ = 40577000. Its totient is φ = 40576998.

The previous prime is 40576981. The next prime is 40577023. The reversal of 40576999 is 99967504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40576999 - 2²³ = 32188391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40576919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20288499 + 20288500.

It is an arithmetic number, because the mean of its divisors is an integer number (20288500).

Almost surely, 2^40576999 is an apocalyptic number.

40576999 is a deficient number, since it is larger than the sum of its proper divisors (1).

40576999 is an equidigital number, since it uses as much as digits as its factorization.

40576999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 40576999 is about 6370.0077707959. The cubic root of 40576999 is about 343.6317691911.

The spelling of 40576999 in words is "forty million, five hundred seventy-six thousand, nine hundred ninety-nine".