40363505 has 96 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 22353408.

The previous prime is 40363489. The next prime is 40363511. The reversal of 40363505 is 50536304.

It is not a de Polignac number, because 40363505 - 2⁴ = 40363489 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1391831 + ... + 1391859.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^40363505 is an apocalyptic number.

It is an amenable number.

40363505 is a deficient number, since it is larger than the sum of its proper divisors (28583695).

40363505 is a wasteful number, since it uses less digits than its factorization.

40363505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 40363505 is about 6353.2279197271. The cubic root of 40363505 is about 343.0280415780.

Adding to 40363505 its reverse (50536304), we get a palindrome (90899809).

The spelling of 40363505 in words is "forty million, three hundred sixty-three thousand, five hundred five".