40679530 has 16 divisors (see below), whose sum is σ = 73664640. Its totient is φ = 16173712.

The previous prime is 40679501. The next prime is 40679531. The reversal of 40679530 is 3597604.

40679530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40679530² = 3309648322041800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40679531) 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 7 ways as a sum of consecutive naturals, for example, 10510 + ... + 13849.

It is an arithmetic number, because the mean of its divisors is an integer number (4604040).

Almost surely, 2^40679530 is an apocalyptic number.

40679530 is a deficient number, since it is larger than the sum of its proper divisors (32985110).

40679530 is a wasteful number, since it uses less digits than its factorization.

40679530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24533.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 40679530 is about 6378.0506426337. The cubic root of 40679530 is about 343.9209582685.

It can be divided in two parts, 40679 and 530, that added together give a square (41209 = 203²).

The spelling of 40679530 in words is "forty million, six hundred seventy-nine thousand, five hundred thirty".