40463689 has 8 divisors (see below), whose sum is σ = 48964608. Its totient is φ = 32642880.

The previous prime is 40463677. The next prime is 40463699. The reversal of 40463689 is 98636404.

40463689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40463689 - 2¹³ = 40455497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40463639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169897 + ... + 170134.

It is an arithmetic number, because the mean of its divisors is an integer number (6120576).

Almost surely, 2^40463689 is an apocalyptic number.

It is an amenable number.

40463689 is a deficient number, since it is larger than the sum of its proper divisors (8500919).

40463689 is a wasteful number, since it uses less digits than its factorization.

40463689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340055.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 40463689 is about 6361.1075293537. The cubic root of 40463689 is about 343.3116106741.

The spelling of 40463689 in words is "forty million, four hundred sixty-three thousand, six hundred eighty-nine".