545277696768 has 216 divisors, whose sum is σ = 1798903142400. Its totient is φ = 155608307712.

The previous prime is 545277696731. The next prime is 545277696809. The reversal of 545277696768 is 867696772545.

545277696768 is a `hidden beast` number, since 5 + 4 + 527 + 7 + 6 + 96 + 7 + 6 + 8 = 666.

It is a super-2 number, since 2×545277696768² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 545277696696 and 545277696705.

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, 13834273 + ... + 13873631.

Almost surely, 2^545277696768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545277696768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899451571200).

545277696768 is an abundant number, since it is smaller than the sum of its proper divisors (1253625445632).

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

545277696768 is a wasteful number, since it uses less digits than its factorization.

545277696768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40247 (or 40230 counting only the distinct ones).

The product of its digits is 1066867200, while the sum is 72.

The spelling of 545277696768 in words is "five hundred forty-five billion, two hundred seventy-seven million, six hundred ninety-six thousand, seven hundred sixty-eight".