40534130 has 32 divisors (see below), whose sum is σ = 89800704. Its totient is φ = 12828096.

The previous prime is 40534127. The next prime is 40534139. The reversal of 40534130 is 3143504.

It is not an unprimeable number, because it can be changed into a prime (40534139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21362 + ... + 23181.

It is an arithmetic number, because the mean of its divisors is an integer number (2806272).

Almost surely, 2^40534130 is an apocalyptic number.

40534130 is an abundant number, since it is smaller than the sum of its proper divisors (49266574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40534130 is a wasteful number, since it uses less digits than its factorization.

40534130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44570.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40534130 is about 6366.6419720289. The cubic root of 40534130 is about 343.5107125870.

Adding to 40534130 its reverse (3143504), we get a palindrome (43677634).

The spelling of 40534130 in words is "forty million, five hundred thirty-four thousand, one hundred thirty".