40813130 has 16 divisors (see below), whose sum is σ = 73906560. Its totient is φ = 16226832.

The previous prime is 40813103. The next prime is 40813133. The reversal of 40813130 is 3131804.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40813133) 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, 10550 + ... + 13889.

It is an arithmetic number, because the mean of its divisors is an integer number (4619160).

Almost surely, 2^40813130 is an apocalyptic number.

40813130 is a deficient number, since it is larger than the sum of its proper divisors (33093430).

40813130 is a wasteful number, since it uses less digits than its factorization.

40813130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24613.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40813130 is about 6388.5154770103. The cubic root of 40813130 is about 344.2970493956.

Adding to 40813130 its reverse (3131804), we get a palindrome (43944934).

The spelling of 40813130 in words is "forty million, eight hundred thirteen thousand, one hundred thirty".