546209940 has 24 divisors (see below), whose sum is σ = 1529388000. Its totient is φ = 145655968.

The previous prime is 546209893. The next prime is 546209941. The reversal of 546209940 is 49902645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546209941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4551690 + ... + 4551809.

It is an arithmetic number, because the mean of its divisors is an integer number (63724500).

Almost surely, 2^546209940 is an apocalyptic number.

It is an amenable number.

546209940 is an abundant number, since it is smaller than the sum of its proper divisors (983178060).

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

546209940 is a wasteful number, since it uses less digits than its factorization.

546209940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103511 (or 9103509 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 546209940 is about 23371.1347606401. The cubic root of 546209940 is about 817.4349451173.

The spelling of 546209940 in words is "five hundred forty-six million, two hundred nine thousand, nine hundred forty".