40829399 has 8 divisors (see below), whose sum is σ = 45043152. Its totient is φ = 36768960.

The previous prime is 40829377. The next prime is 40829401. The reversal of 40829399 is 99392804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40829399 - 2¹² = 40825303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40829339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37769 + ... + 38834.

It is an arithmetic number, because the mean of its divisors is an integer number (5630394).

Almost surely, 2^40829399 is an apocalyptic number.

40829399 is a deficient number, since it is larger than the sum of its proper divisors (4213753).

40829399 is a wasteful number, since it uses less digits than its factorization.

40829399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76657.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 40829399 is about 6389.7886506519. The cubic root of 40829399 is about 344.3427914120.

The spelling of 40829399 in words is "forty million, eight hundred twenty-nine thousand, three hundred ninety-nine".