40305032489 has 8 divisors (see below), whose sum is σ = 40427196768. Its totient is φ = 40183051360.

The previous prime is 40305032431. The next prime is 40305032513. The reversal of 40305032489 is 98423050304.

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 40305032489 - 2²⁰ = 40303983913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40305032419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401594 + ... + 491820.

It is an arithmetic number, because the mean of its divisors is an integer number (5053399596).

Almost surely, 2^40305032489 is an apocalyptic number.

It is an amenable number.

40305032489 is a deficient number, since it is larger than the sum of its proper divisors (122164279).

40305032489 is an equidigital number, since it uses as much as digits as its factorization.

40305032489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91575.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 40305032489 in words is "forty billion, three hundred five million, thirty-two thousand, four hundred eighty-nine".