40302130 has 16 divisors (see below), whose sum is σ = 79138944. Its totient is φ = 14655280.

The previous prime is 40302127. The next prime is 40302203. The reversal of 40302130 is 3120304.

It is a self number, because there is not a number n which added to its sum of digits gives 40302130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183082 + ... + 183301.

It is an arithmetic number, because the mean of its divisors is an integer number (4946184).

Almost surely, 2^40302130 is an apocalyptic number.

40302130 is a deficient number, since it is larger than the sum of its proper divisors (38836814).

40302130 is a wasteful number, since it uses less digits than its factorization.

40302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366401.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 40302130 is about 6348.3958603729. The cubic root of 40302130 is about 342.8540888452.

Adding to 40302130 its reverse (3120304), we get a palindrome (43422434).

The spelling of 40302130 in words is "forty million, three hundred two thousand, one hundred thirty".