40534030 has 16 divisors (see below), whose sum is σ = 76801680. Its totient is φ = 15360192.

The previous prime is 40534009. The next prime is 40534033. The reversal of 40534030 is 3043504.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 40533989 and 40534007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106479 + ... + 106858.

It is an arithmetic number, because the mean of its divisors is an integer number (4800105).

Almost surely, 2^40534030 is an apocalyptic number.

40534030 is a deficient number, since it is larger than the sum of its proper divisors (36267650).

40534030 is a wasteful number, since it uses less digits than its factorization.

40534030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213363.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 40534030 is about 6366.6341185905. The cubic root of 40534030 is about 343.5104301000.

Adding to 40534030 its reverse (3043504), we get a palindrome (43577534).

The spelling of 40534030 in words is "forty million, five hundred thirty-four thousand, thirty".