540945594 has 48 divisors (see below), whose sum is σ = 1398369600. Its totient is φ = 154555128.

The previous prime is 540945557. The next prime is 540945641. The reversal of 540945594 is 495549045.

540945594 is a `hidden beast` number, since 5 + 4 + 0 + 94 + 559 + 4 = 666.

It is a Curzon 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, 99574 + ... + 104865.

It is an arithmetic number, because the mean of its divisors is an integer number (29132700).

Almost surely, 2^540945594 is an apocalyptic number.

540945594 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

540945594 is an abundant number, since it is smaller than the sum of its proper divisors (857424006).

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

540945594 is a wasteful number, since it uses less digits than its factorization.

540945594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204464 (or 204451 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 540945594 is about 23258.2371215017. The cubic root of 540945594 is about 814.8003294716.

The spelling of 540945594 in words is "five hundred forty million, nine hundred forty-five thousand, five hundred ninety-four".