545270280 has 64 divisors (see below), whose sum is σ = 1637452800. Its totient is φ = 145259520.

The previous prime is 545270279. The next prime is 545270281. The reversal of 545270280 is 82072545.

It is an interprime number because it is at equal distance from previous prime (545270279) and next prime (545270281).

It is not an unprimeable number, because it can be changed into a prime (545270281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174976 + ... + 178064.

It is an arithmetic number, because the mean of its divisors is an integer number (25585200).

Almost surely, 2^545270280 is an apocalyptic number.

It is an amenable number.

545270280 is an abundant number, since it is smaller than the sum of its proper divisors (1092182520).

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

545270280 is a wasteful number, since it uses less digits than its factorization.

545270280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574 (or 4570 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 545270280 is about 23351.0231039242. The cubic root of 545270280 is about 816.9659241096.

The spelling of 545270280 in words is "five hundred forty-five million, two hundred seventy thousand, two hundred eighty".