540191764 has 24 divisors (see below), whose sum is σ = 1085114240. Its totient is φ = 230497056.

The previous prime is 540191737. The next prime is 540191767. The reversal of 540191764 is 467191045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540191767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35712 + ... + 48535.

Almost surely, 2^540191764 is an apocalyptic number.

It is an amenable number.

540191764 is an abundant number, since it is smaller than the sum of its proper divisors (544922476).

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

540191764 is a wasteful number, since it uses less digits than its factorization.

540191764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84487 (or 84485 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 540191764 is about 23242.0258153200. The cubic root of 540191764 is about 814.4216675666.

The spelling of 540191764 in words is "five hundred forty million, one hundred ninety-one thousand, seven hundred sixty-four".