40430547 has 12 divisors (see below), whose sum is σ = 59272200. Its totient is φ = 26551008.

The previous prime is 40430543. The next prime is 40430557. The reversal of 40430547 is 74503404.

It is not a de Polignac number, because 40430547 - 2² = 40430543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40430547.

It is not an unprimeable number, because it can be changed into a prime (40430543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32922 + ... + 34127.

It is an arithmetic number, because the mean of its divisors is an integer number (4939350).

Almost surely, 2^40430547 is an apocalyptic number.

40430547 is a deficient number, since it is larger than the sum of its proper divisors (18841653).

40430547 is a wasteful number, since it uses less digits than its factorization.

40430547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67122 (or 67119 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 40430547 is about 6358.5019462134. The cubic root of 40430547 is about 343.2178546712.

The spelling of 40430547 in words is "forty million, four hundred thirty thousand, five hundred forty-seven".