40536045 has 64 divisors (see below), whose sum is σ = 79822080. Its totient is φ = 19595520.

The previous prime is 40536037. The next prime is 40536059. The reversal of 40536045 is 54063504.

40536045 is a `hidden beast` number, since 4 + 0 + 53 + 604 + 5 = 666.

It is not a de Polignac number, because 40536045 - 2³ = 40536037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120117 + ... + 120453.

It is an arithmetic number, because the mean of its divisors is an integer number (1247220).

Almost surely, 2^40536045 is an apocalyptic number.

40536045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40536045 is a deficient number, since it is larger than the sum of its proper divisors (39286035).

40536045 is an equidigital number, since it uses as much as digits as its factorization.

40536045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40536045 is about 6366.7923635061. The cubic root of 40536045 is about 343.5161221243.

Adding to 40536045 its reverse (54063504), we get a palindrome (94599549).

The spelling of 40536045 in words is "forty million, five hundred thirty-six thousand, forty-five".