49443080164 has 27 divisors (see below), whose sum is σ = 87784545513. Its totient is φ = 24366879072.

The previous prime is 49443080161. The next prime is 49443080173. The reversal of 49443080164 is 46108034494.

The square root of 49443080164 is 222358.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28066300900 + 21376779264 = 167530^2 + 146208^2 .

It is a super-2 number, since 2×49443080164² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49443080164.

It is not an unprimeable number, because it can be changed into a prime (49443080161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32463507 + ... + 32465029.

Almost surely, 2^49443080164 is an apocalyptic number.

49443080164 is the 222358-th square number.

It is an amenable number.

49443080164 is a deficient number, since it is larger than the sum of its proper divisors (38341465349).

49443080164 is an frugal number, since it uses more digits than its factorization.

49443080164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 49443080164 in words is "forty-nine billion, four hundred forty-three million, eighty thousand, one hundred sixty-four".