544998899445 has 128 divisors (see below), whose sum is σ = 1202439168000. Its totient is φ = 203419745280.

The previous prime is 544998899363. The next prime is 544998899479.

It is a happy number.

544998899445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544998899445 - 2¹¹ = 544998897397 is a prime.

It is a super-2 number, since 2×544998899445² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 65056 + ... + 1046054.

It is an arithmetic number, because the mean of its divisors is an integer number (9394056000).

Almost surely, 2^544998899445 is an apocalyptic number.

544998899445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544998899445 is an abundant number, since it is smaller than the sum of its proper divisors (657440268555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544998899445 is a wasteful number, since it uses less digits than its factorization.

544998899445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981075.

The product of its digits is 2687385600, while the sum is 78.

The spelling of 544998899445 in words is "five hundred forty-four billion, nine hundred ninety-eight million, eight hundred ninety-nine thousand, four hundred forty-five".