40769999 has 4 divisors (see below), whose sum is σ = 40782864. Its totient is φ = 40757136.

The previous prime is 40769987. The next prime is 40770011. The reversal of 40769999 is 99996704.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (40769987) and next prime (40770011).

It is a cyclic number.

It is not a de Polignac number, because 40769999 - 2¹² = 40765903 is a prime.

It is a Duffinian number.

40769999 is a modest number, since divided by 9999 gives 4076 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 40769999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40769959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054 + ... + 9260.

It is an arithmetic number, because the mean of its divisors is an integer number (10195716).

Almost surely, 2^40769999 is an apocalyptic number.

40769999 is a deficient number, since it is larger than the sum of its proper divisors (12865).

40769999 is an equidigital number, since it uses as much as digits as its factorization.

40769999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 40769999 is about 6385.1389178310. The cubic root of 40769999 is about 344.1757231607.

The spelling of 40769999 in words is "forty million, seven hundred sixty-nine thousand, nine hundred ninety-nine".