540450612 has 72 divisors (see below), whose sum is σ = 1521996840. Its totient is φ = 160554240.

The previous prime is 540450571. The next prime is 540450623. The reversal of 540450612 is 216054045.

540450612 is a `hidden beast` number, since 5 + 4 + 0 + 45 + 0 + 612 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44675856 + 495774756 = 6684^2 + 22266^2 .

It is a super-2 number, since 2×540450612² = 584173728022349088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6339 + ... + 33482.

It is an arithmetic number, because the mean of its divisors is an integer number (21138845).

Almost surely, 2^540450612 is an apocalyptic number.

540450612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

540450612 is an abundant number, since it is smaller than the sum of its proper divisors (981546228).

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

540450612 is a wasteful number, since it uses less digits than its factorization.

540450612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39873 (or 39868 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 540450612 is about 23247.5936819276. The cubic root of 540450612 is about 814.5517311049.

The spelling of 540450612 in words is "five hundred forty million, four hundred fifty thousand, six hundred twelve".