544040555226 has 48 divisors (see below), whose sum is σ = 1266422563584. Its totient is φ = 155354739456.

The previous prime is 544040555213. The next prime is 544040555257. The reversal of 544040555226 is 622555040445.

It is a happy number.

It is a super-2 number, since 2×544040555226² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28426 + ... + 1043498.

It is an arithmetic number, because the mean of its divisors is an integer number (26383803408).

Almost surely, 2^544040555226 is an apocalyptic number.

544040555226 is an abundant number, since it is smaller than the sum of its proper divisors (722382008358).

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

544040555226 is a wasteful number, since it uses less digits than its factorization.

544040555226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016915 (or 1016908 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 544040555226 in words is "five hundred forty-four billion, forty million, five hundred fifty-five thousand, two hundred twenty-six".