544177161440 has 48 divisors (see below), whose sum is σ = 1402492961520. Its totient is φ = 197882603520.

The previous prime is 544177161439. The next prime is 544177161443. The reversal of 544177161440 is 44161771445.

It is a happy number.

It is a super-2 number, since 2×544177161440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 544177161391 and 544177161400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544177161443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154594025 + ... + 154597544.

It is an arithmetic number, because the mean of its divisors is an integer number (29218603365).

Almost surely, 2^544177161440 is an apocalyptic number.

It is an amenable number.

544177161440 is an abundant number, since it is smaller than the sum of its proper divisors (858315800080).

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

544177161440 is a wasteful number, since it uses less digits than its factorization.

544177161440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309191595 (or 309191587 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 544177161440 in words is "five hundred forty-four billion, one hundred seventy-seven million, one hundred sixty-one thousand, four hundred forty".