40479430 has 16 divisors (see below), whose sum is σ = 73172160. Its totient is φ = 16123072.

The previous prime is 40479427. The next prime is 40479437. The reversal of 40479430 is 3497404.

40479430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40479392 and 40479401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40479437) 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, 6079 + ... + 10858.

It is an arithmetic number, because the mean of its divisors is an integer number (4573260).

Almost surely, 2^40479430 is an apocalyptic number.

40479430 is a deficient number, since it is larger than the sum of its proper divisors (32692730).

40479430 is a wasteful number, since it uses less digits than its factorization.

40479430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17183.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40479430 is about 6362.3446935858. The cubic root of 40479430 is about 343.3561227424.

The spelling of 40479430 in words is "forty million, four hundred seventy-nine thousand, four hundred thirty".