40799628 has 36 divisors (see below), whose sum is σ = 103744368. Its totient is φ = 13519200.

The previous prime is 40799623. The next prime is 40799659. The reversal of 40799628 is 82699704.

It is a happy number.

40799628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (40799623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2953 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (2881788).

Almost surely, 2^40799628 is an apocalyptic number.

It is an amenable number.

40799628 is an abundant number, since it is smaller than the sum of its proper divisors (62944740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40799628 is a wasteful number, since it uses less digits than its factorization.

40799628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734 (or 6729 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 40799628 is about 6387.4586495726. The cubic root of 40799628 is about 344.2590778613.

The spelling of 40799628 in words is "forty million, seven hundred ninety-nine thousand, six hundred twenty-eight".