545340276 has 120 divisors (see below), whose sum is σ = 1571517024. Its totient is φ = 163840320.

The previous prime is 545340259. The next prime is 545340277. The reversal of 545340276 is 672043545.

545340276 is a `hidden beast` number, since 5 + 45 + 340 + 276 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 545340276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545340277) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 179611 + ... + 182621.

Almost surely, 2^545340276 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 545340276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785758512).

545340276 is an abundant number, since it is smaller than the sum of its proper divisors (1026176748).

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

545340276 is a wasteful number, since it uses less digits than its factorization.

545340276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 545340276 is about 23352.5218338406. The cubic root of 545340276 is about 817.0008804131. Note that the first 3 decimals are identical.

The spelling of 545340276 in words is "five hundred forty-five million, three hundred forty thousand, two hundred seventy-six".