40315148 has 6 divisors (see below), whose sum is σ = 70551516. Its totient is φ = 20157572.

The previous prime is 40315147. The next prime is 40315151. The reversal of 40315148 is 84151304.

It is a super-2 number, since 2×40315148² = 3250622316523808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40315141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5039390 + ... + 5039397.

It is an arithmetic number, because the mean of its divisors is an integer number (11758586).

Almost surely, 2^40315148 is an apocalyptic number.

It is an amenable number.

40315148 is a deficient number, since it is larger than the sum of its proper divisors (30236368).

40315148 is a wasteful number, since it uses less digits than its factorization.

40315148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10078791 (or 10078789 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 40315148 is about 6349.4210759722. The cubic root of 40315148 is about 342.8909999964.

It can be divided in two parts, 403 and 15148, that added together give a palindrome (15551).

The spelling of 40315148 in words is "forty million, three hundred fifteen thousand, one hundred forty-eight".