546732540 has 144 divisors (see below), whose sum is σ = 1773285696. Its totient is φ = 136012800.

The previous prime is 546732539. The next prime is 546732559. The reversal of 546732540 is 45237645.

546732540 is a `hidden beast` number, since 5 + 46 + 73 + 2 + 540 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 546732495 and 546732504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168130 + ... + 171350.

It is an arithmetic number, because the mean of its divisors is an integer number (12314484).

Almost surely, 2^546732540 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 546732540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886642848).

546732540 is an abundant number, since it is smaller than the sum of its proper divisors (1226553156).

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

546732540 is a wasteful number, since it uses less digits than its factorization.

546732540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3295 counting only the distinct ones).

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

The square root of 546732540 is about 23382.3125460250. The cubic root of 546732540 is about 817.6955624498.

The spelling of 546732540 in words is "five hundred forty-six million, seven hundred thirty-two thousand, five hundred forty".