40470313 has 4 divisors (see below), whose sum is σ = 43583428. Its totient is φ = 37357200.

The previous prime is 40470307. The next prime is 40470329. The reversal of 40470313 is 31307404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12306064 + 28164249 = 3508^2 + 5307^2 .

It is a cyclic number.

It is not a de Polignac number, because 40470313 - 2⁵ = 40470281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40470343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556538 + ... + 1556563.

It is an arithmetic number, because the mean of its divisors is an integer number (10895857).

Almost surely, 2^40470313 is an apocalyptic number.

It is an amenable number.

40470313 is a deficient number, since it is larger than the sum of its proper divisors (3113115).

40470313 is a wasteful number, since it uses less digits than its factorization.

40470313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113114.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 40470313 is about 6361.6281720956. The cubic root of 40470313 is about 343.3303432883.

Adding to 40470313 its reverse (31307404), we get a palindrome (71777717).

The spelling of 40470313 in words is "forty million, four hundred seventy thousand, three hundred thirteen".