40799530 has 16 divisors (see below), whose sum is σ = 75424680. Its totient is φ = 15878592.

The previous prime is 40799527. The next prime is 40799569. The reversal of 40799530 is 3599704.

40799530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40717161 + 82369 = 6381^2 + 287^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 40799530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 54765 + ... + 55504.

Almost surely, 2^40799530 is an apocalyptic number.

40799530 is a deficient number, since it is larger than the sum of its proper divisors (34625150).

40799530 is a wasteful number, since it uses less digits than its factorization.

40799530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110313.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 40799530 is about 6387.4509782855. The cubic root of 40799530 is about 344.2588022263.

The spelling of 40799530 in words is "forty million, seven hundred ninety-nine thousand, five hundred thirty".