40498563 has 16 divisors (see below), whose sum is σ = 61940736. Its totient is φ = 23056320.

The previous prime is 40498559. The next prime is 40498583. The reversal of 40498563 is 36589404.

It is not a de Polignac number, because 40498563 - 2² = 40498559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40498583) 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, 2470 + ... + 9332.

It is an arithmetic number, because the mean of its divisors is an integer number (3871296).

Almost surely, 2^40498563 is an apocalyptic number.

40498563 is a deficient number, since it is larger than the sum of its proper divisors (21442173).

40498563 is a wasteful number, since it uses less digits than its factorization.

40498563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 40498563 is about 6363.8481282947. The cubic root of 40498563 is about 343.4102111022.

The spelling of 40498563 in words is "forty million, four hundred ninety-eight thousand, five hundred sixty-three".