40363569 has 8 divisors (see below), whose sum is σ = 59797920. Its totient is φ = 26909028.

The previous prime is 40363529. The next prime is 40363577. The reversal of 40363569 is 96536304.

It is not a de Polignac number, because 40363569 - 2⁸ = 40363313 is a prime.

It is a super-2 number, since 2×40363569² = 3258435404835522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40363529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747447 + ... + 747500.

It is an arithmetic number, because the mean of its divisors is an integer number (7474740).

Almost surely, 2^40363569 is an apocalyptic number.

It is an amenable number.

40363569 is a deficient number, since it is larger than the sum of its proper divisors (19434351).

40363569 is a wasteful number, since it uses less digits than its factorization.

40363569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494956 (or 1494950 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 40363569 is about 6353.2329565348. The cubic root of 40363569 is about 343.0282228786.

It can be divided in two parts, 40 and 363569, that added together give a square (363609 = 603²).

The spelling of 40363569 in words is "forty million, three hundred sixty-three thousand, five hundred sixty-nine".