545781802344 has 32 divisors (see below), whose sum is σ = 1364544817920. Its totient is φ = 181915225856.

The previous prime is 545781802339. The next prime is 545781802373. The reversal of 545781802344 is 443208187545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378657 + ... + 1111280.

It is an arithmetic number, because the mean of its divisors is an integer number (42642025560).

Almost surely, 2^545781802344 is an apocalyptic number.

It is an amenable number.

545781802344 is an abundant number, since it is smaller than the sum of its proper divisors (818763015576).

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

545781802344 is a wasteful number, since it uses less digits than its factorization.

545781802344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505209 (or 1505205 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

Adding to 545781802344 its reverse (443208187545), we get a palindrome (988989989889).

The spelling of 545781802344 in words is "five hundred forty-five billion, seven hundred eighty-one million, eight hundred two thousand, three hundred forty-four".