544405504445 has 12 divisors (see below), whose sum is σ = 718075360380. Its totient is φ = 395931275520.

The previous prime is 544405504393. The next prime is 544405504459.

544405504445 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 249994000036 + 294411504409 = 499994^2 + 542597^2 .

It is not a de Polignac number, because 544405504445 - 2¹⁸ = 544405242301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544405504396 and 544405504405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449921300 + ... + 449922509.

It is an arithmetic number, because the mean of its divisors is an integer number (59839613365).

Almost surely, 2^544405504445 is an apocalyptic number.

544405504445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544405504445 is a deficient number, since it is larger than the sum of its proper divisors (173669855935).

544405504445 is a wasteful number, since it uses less digits than its factorization.

544405504445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899843836 (or 899843825 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 44.

The spelling of 544405504445 in words is "five hundred forty-four billion, four hundred five million, five hundred four thousand, four hundred forty-five".