40563898 has 8 divisors (see below), whose sum is σ = 64048320. Its totient is φ = 19214460.

The previous prime is 40563889. The next prime is 40563911. The reversal of 40563898 is 89836504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533698 + ... + 533773.

It is an arithmetic number, because the mean of its divisors is an integer number (8006040).

Almost surely, 2^40563898 is an apocalyptic number.

40563898 is a deficient number, since it is larger than the sum of its proper divisors (23484422).

40563898 is a wasteful number, since it uses less digits than its factorization.

40563898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067492.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 40563898 is about 6368.9793530832. The cubic root of 40563898 is about 343.5947826839.

The spelling of 40563898 in words is "forty million, five hundred sixty-three thousand, eight hundred ninety-eight".