44194091543 has 16 divisors (see below), whose sum is σ = 52816458240. Its totient is φ = 36156015456.

The previous prime is 44194091519. The next prime is 44194091549. The reversal of 44194091543 is 34519049144.

It is a happy number.

It is not a de Polignac number, because 44194091543 - 2²⁰ = 44193042967 is a prime.

It is a super-2 number, since 2×44194091543² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44194091494 and 44194091503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44194091549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218708 + ... + 369081.

It is an arithmetic number, because the mean of its divisors is an integer number (3301028640).

Almost surely, 2^44194091543 is an apocalyptic number.

44194091543 is a deficient number, since it is larger than the sum of its proper divisors (8622366697).

44194091543 is a wasteful number, since it uses less digits than its factorization.

44194091543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588286.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 44194091543 in words is "forty-four billion, one hundred ninety-four million, ninety-one thousand, five hundred forty-three".