40494361 has 4 divisors (see below), whose sum is σ = 40560400. Its totient is φ = 40428324.

The previous prime is 40494359. The next prime is 40494367. The reversal of 40494361 is 16349404.

40494361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40494361 - 2¹ = 40494359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40494367) 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 3 ways as a sum of consecutive naturals, for example, 32091 + ... + 33328.

It is an arithmetic number, because the mean of its divisors is an integer number (10140100).

Almost surely, 2^40494361 is an apocalyptic number.

It is an amenable number.

40494361 is a deficient number, since it is larger than the sum of its proper divisors (66039).

40494361 is an equidigital number, since it uses as much as digits as its factorization.

40494361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66038.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40494361 is about 6363.5179735741. The cubic root of 40494361 is about 343.3983336469.

The spelling of 40494361 in words is "forty million, four hundred ninety-four thousand, three hundred sixty-one".