40530315 has 32 divisors (see below), whose sum is σ = 74672640. Its totient is φ = 18388224.

The previous prime is 40530283. The next prime is 40530317. The reversal of 40530315 is 51303504.

40530315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40530315 - 2⁵ = 40530283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40530291 and 40530300.

It is not an unprimeable number, because it can be changed into a prime (40530317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13207 + ... + 15983.

It is an arithmetic number, because the mean of its divisors is an integer number (2333520).

Almost surely, 2^40530315 is an apocalyptic number.

40530315 is a deficient number, since it is larger than the sum of its proper divisors (34142325).

40530315 is a wasteful number, since it uses less digits than its factorization.

40530315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 40530315 is about 6366.3423564870. The cubic root of 40530315 is about 343.4999353771.

Adding to 40530315 its reverse (51303504), we get a palindrome (91833819).

The spelling of 40530315 in words is "forty million, five hundred thirty thousand, three hundred fifteen".