546540140 has 24 divisors (see below), whose sum is σ = 1215248832. Its totient is φ = 205756160.

The previous prime is 546540139. The next prime is 546540151. The reversal of 546540140 is 41045645.

It is a super-2 number, since 2×546540140² = 597412249262439200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803396 + ... + 804075.

It is an arithmetic number, because the mean of its divisors is an integer number (50635368).

Almost surely, 2^546540140 is an apocalyptic number.

It is an amenable number.

546540140 is an abundant number, since it is smaller than the sum of its proper divisors (668708692).

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

546540140 is a wasteful number, since it uses less digits than its factorization.

546540140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607497 (or 1607495 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 546540140 is about 23378.1979630595. The cubic root of 546540140 is about 817.5996331042.

Adding to 546540140 its reverse (41045645), we get a palindrome (587585785).

The spelling of 546540140 in words is "five hundred forty-six million, five hundred forty thousand, one hundred forty".