545712480 has 72 divisors (see below), whose sum is σ = 1862248752. Its totient is φ = 145522944.

The previous prime is 545712473. The next prime is 545712481. The reversal of 545712480 is 84217545.

545712480 is a `hidden beast` number, since 5 + 4 + 571 + 2 + 4 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×545712480² = 595604221655500800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545712481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188044 + ... + 190923.

It is an arithmetic number, because the mean of its divisors is an integer number (25864566).

Almost surely, 2^545712480 is an apocalyptic number.

It is an amenable number.

545712480 is an abundant number, since it is smaller than the sum of its proper divisors (1316536272).

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

545712480 is a wasteful number, since it uses less digits than its factorization.

545712480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378988 (or 378977 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 545712480 is about 23360.4897208941. The cubic root of 545712480 is about 817.1867104675.

The spelling of 545712480 in words is "five hundred forty-five million, seven hundred twelve thousand, four hundred eighty".