545052377818 has 16 divisors (see below), whose sum is σ = 881226341856. Its totient is φ = 251346317040.

The previous prime is 545052377813. The next prime is 545052377873. The reversal of 545052377818 is 818773250545.

It is a happy number.

It is a super-2 number, since 2×545052377818² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545052377813) 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, 8982468 + ... + 9042943.

It is an arithmetic number, because the mean of its divisors is an integer number (55076646366).

Almost surely, 2^545052377818 is an apocalyptic number.

545052377818 is a deficient number, since it is larger than the sum of its proper divisors (336173964038).

545052377818 is a wasteful number, since it uses less digits than its factorization.

545052377818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18026589.

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 545052377818 in words is "five hundred forty-five billion, fifty-two million, three hundred seventy-seven thousand, eight hundred eighteen".