540311949518 has 32 divisors (see below), whose sum is σ = 949340798208. Its totient is φ = 227893859200.

The previous prime is 540311949511. The next prime is 540311949557. The reversal of 540311949518 is 815949113045.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540311949511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10147280 + ... + 10200387.

It is an arithmetic number, because the mean of its divisors is an integer number (29666899944).

Almost surely, 2^540311949518 is an apocalyptic number.

540311949518 is a deficient number, since it is larger than the sum of its proper divisors (409028848690).

540311949518 is a wasteful number, since it uses less digits than its factorization.

540311949518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20347768.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 540311949518 in words is "five hundred forty billion, three hundred eleven million, nine hundred forty-nine thousand, five hundred eighteen".