40363445 has 4 divisors (see below), whose sum is σ = 48436140. Its totient is φ = 32290752.

The previous prime is 40363381. The next prime is 40363471. The reversal of 40363445 is 54436304.

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 5340721 + 35022724 = 2311^2 + 5918^2 .

It is a cyclic number.

It is not a de Polignac number, because 40363445 - 2⁶ = 40363381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4036340 + ... + 4036349.

It is an arithmetic number, because the mean of its divisors is an integer number (12109035).

Almost surely, 2^40363445 is an apocalyptic number.

It is an amenable number.

40363445 is a deficient number, since it is larger than the sum of its proper divisors (8072695).

40363445 is an equidigital number, since it uses as much as digits as its factorization.

40363445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072694.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 40363445 is about 6353.2231977163. The cubic root of 40363445 is about 343.0278716086.

Adding to 40363445 its reverse (54436304), we get a palindrome (94799749).

The spelling of 40363445 in words is "forty million, three hundred sixty-three thousand, four hundred forty-five".