40452313 has 8 divisors (see below), whose sum is σ = 44543520. Its totient is φ = 36430080.

The previous prime is 40452277. The next prime is 40452317. The reversal of 40452313 is 31325404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40452313 - 2¹⁷ = 40321241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40452317) 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 in 7 ways as a sum of consecutive naturals, for example, 16008 + ... + 18361.

It is an arithmetic number, because the mean of its divisors is an integer number (5567940).

Almost surely, 2^40452313 is an apocalyptic number.

It is an amenable number.

40452313 is a deficient number, since it is larger than the sum of its proper divisors (4091207).

40452313 is a wasteful number, since it uses less digits than its factorization.

40452313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34487.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40452313 is about 6360.2132825873. The cubic root of 40452313 is about 343.2794346744.

Adding to 40452313 its reverse (31325404), we get a palindrome (71777717).

The spelling of 40452313 in words is "forty million, four hundred fifty-two thousand, three hundred thirteen".