40098489361 has 4 divisors (see below), whose sum is σ = 45826844992. Its totient is φ = 34370133732.

The previous prime is 40098489349. The next prime is 40098489377. The reversal of 40098489361 is 16398489004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40098489361 - 2¹⁹ = 40097965073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40098489299 and 40098489308.

It is not an unprimeable number, because it can be changed into a prime (40098489061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864177805 + ... + 2864177818.

It is an arithmetic number, because the mean of its divisors is an integer number (11456711248).

Almost surely, 2^40098489361 is an apocalyptic number.

It is an amenable number.

40098489361 is a deficient number, since it is larger than the sum of its proper divisors (5728355631).

40098489361 is an equidigital number, since it uses as much as digits as its factorization.

40098489361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728355630.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 40098489361 in words is "forty billion, ninety-eight million, four hundred eighty-nine thousand, three hundred sixty-one".