546640512 has 128 divisors (see below), whose sum is σ = 1598054400. Its totient is φ = 164183040.

The previous prime is 546640489. The next prime is 546640513. The reversal of 546640512 is 215046645.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (546640513) 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, 535939 + ... + 536957.

It is an arithmetic number, because the mean of its divisors is an integer number (12484800).

Almost surely, 2^546640512 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 546640512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799027200).

546640512 is an abundant number, since it is smaller than the sum of its proper divisors (1051413888).

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

546640512 is a wasteful number, since it uses less digits than its factorization.

546640512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 546640512 is about 23380.3445654678. The cubic root of 546640512 is about 817.6496807165.

The spelling of 546640512 in words is "five hundred forty-six million, six hundred forty thousand, five hundred twelve".