40563954489 has 8 divisors (see below), whose sum is σ = 54086471712. Its totient is φ = 27042036800.

The previous prime is 40563954481. The next prime is 40563954493. The reversal of 40563954489 is 98445936504.

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

It is a cyclic number.

It is not a de Polignac number, because 40563954489 - 2³ = 40563954481 is a prime.

It is a super-2 number, since 2×40563954489² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40563954481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43714 + ... + 288164.

It is an arithmetic number, because the mean of its divisors is an integer number (6760808964).

Almost surely, 2^40563954489 is an apocalyptic number.

It is an amenable number.

40563954489 is a deficient number, since it is larger than the sum of its proper divisors (13522517223).

40563954489 is a wasteful number, since it uses less digits than its factorization.

40563954489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299767.

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 40563954489 in words is "forty billion, five hundred sixty-three million, nine hundred fifty-four thousand, four hundred eighty-nine".