40828799 has 4 divisors (see below), whose sum is σ = 44540520. Its totient is φ = 37117080.

The previous prime is 40828793. The next prime is 40828811. The reversal of 40828799 is 99782804.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40828799 - 2⁴ = 40828783 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 (40828793) 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, 1855844 + ... + 1855865.

It is an arithmetic number, because the mean of its divisors is an integer number (11135130).

Almost surely, 2^40828799 is an apocalyptic number.

40828799 is a deficient number, since it is larger than the sum of its proper divisors (3711721).

40828799 is a wasteful number, since it uses less digits than its factorization.

40828799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711720.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 40828799 is about 6389.7417005697. The cubic root of 40828799 is about 344.3411046642.

The spelling of 40828799 in words is "forty million, eight hundred twenty-eight thousand, seven hundred ninety-nine".