40563039 has 16 divisors (see below), whose sum is σ = 59370624. Its totient is φ = 24429600.

The previous prime is 40563001. The next prime is 40563041. The reversal of 40563039 is 93036504.

It is a happy number.

It is not a de Polignac number, because 40563039 - 2¹⁵ = 40530271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40562997 and 40563015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40563059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (3710664).

Almost surely, 2^40563039 is an apocalyptic number.

40563039 is a deficient number, since it is larger than the sum of its proper divisors (18807585).

40563039 is a wasteful number, since it uses less digits than its factorization.

40563039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7718.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 40563039 is about 6368.9119164893. The cubic root of 40563039 is about 343.5923572923.

The spelling of 40563039 in words is "forty million, five hundred sixty-three thousand, thirty-nine".