40317452 has 12 divisors (see below), whose sum is σ = 80634960. Its totient is φ = 17278896.

The previous prime is 40317419. The next prime is 40317461. The reversal of 40317452 is 25471304.

40317452 is an admirable number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 719927 + ... + 719982.

It is an arithmetic number, because the mean of its divisors is an integer number (6719580).

Almost surely, 2^40317452 is an apocalyptic number.

It is an amenable number.

40317452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40317452 is a wasteful number, since it uses less digits than its factorization.

40317452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439920 (or 1439918 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40317452 is about 6349.6025072441. The cubic root of 40317452 is about 342.8975319152.

Adding to 40317452 its reverse (25471304), we get a palindrome (65788756).

The spelling of 40317452 in words is "forty million, three hundred seventeen thousand, four hundred fifty-two".