40738563 has 6 divisors (see below), whose sum is σ = 58844604. Its totient is φ = 27159036.

The previous prime is 40738549. The next prime is 40738567. The reversal of 40738563 is 36583704.

It is a happy number.

It is not a de Polignac number, because 40738563 - 2⁴ = 40738547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40738567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2263245 + ... + 2263262.

It is an arithmetic number, because the mean of its divisors is an integer number (9807434).

Almost surely, 2^40738563 is an apocalyptic number.

40738563 is a deficient number, since it is larger than the sum of its proper divisors (18106041).

40738563 is a wasteful number, since it uses less digits than its factorization.

40738563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526513 (or 4526510 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 40738563 is about 6382.6767895609. The cubic root of 40738563 is about 344.0872406956.

The spelling of 40738563 in words is "forty million, seven hundred thirty-eight thousand, five hundred sixty-three".