540018394 has 8 divisors (see below), whose sum is σ = 810252000. Its totient is φ = 269934396.

The previous prime is 540018383. The next prime is 540018443. The reversal of 540018394 is 493810045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27894 + ... + 43105.

It is an arithmetic number, because the mean of its divisors is an integer number (101281500).

Almost surely, 2^540018394 is an apocalyptic number.

540018394 is a deficient number, since it is larger than the sum of its proper divisors (270233606).

540018394 is a wasteful number, since it uses less digits than its factorization.

540018394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74804.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 540018394 is about 23238.2958497391. The cubic root of 540018394 is about 814.3345309842.

The spelling of 540018394 in words is "five hundred forty million, eighteen thousand, three hundred ninety-four".