8440997018362 has 16 divisors (see below), whose sum is σ = 12781730281320. Its totient is φ = 4180444950528.

The previous prime is 8440997018347. The next prime is 8440997018371. The reversal of 8440997018362 is 2638107990448.

It can be written as a sum of positive squares in 4 ways, for example, as 8430550338681 + 10446679681 = 2903541^2 + 102209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8440997018362.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5487663 + ... + 6855394.

Almost surely, 2^{8440997018362} is an apocalyptic number.

8440997018362 is a deficient number, since it is larger than the sum of its proper divisors (4340733262958).

8440997018362 is a wasteful number, since it uses less digits than its factorization.

8440997018362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12346305.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 8440997018362 in words is "eight trillion, four hundred forty billion, nine hundred ninety-seven million, eighteen thousand, three hundred sixty-two".