40563545 has 16 divisors (see below), whose sum is σ = 53834112. Its totient is φ = 29093760.

The previous prime is 40563539. The next prime is 40563553. The reversal of 40563545 is 54536504.

It is not a de Polignac number, because 40563545 - 2¹⁰ = 40562521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (3364632).

Almost surely, 2^40563545 is an apocalyptic number.

It is an amenable number.

40563545 is a deficient number, since it is larger than the sum of its proper divisors (13270567).

40563545 is a wasteful number, since it uses less digits than its factorization.

40563545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 40563545 is about 6368.9516405763. The cubic root of 40563545 is about 343.5937859904.

The spelling of 40563545 in words is "forty million, five hundred sixty-three thousand, five hundred forty-five".