540717053721 has 32 divisors (see below), whose sum is σ = 833664400128. Its totient is φ = 308764538880.

The previous prime is 540717053659. The next prime is 540717053731. The reversal of 540717053721 is 127350717045.

It is not a de Polignac number, because 540717053721 - 2¹¹ = 540717051673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540717053731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5696316 + ... + 5790461.

It is an arithmetic number, because the mean of its divisors is an integer number (26052012504).

Almost surely, 2^540717053721 is an apocalyptic number.

540717053721 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

540717053721 is a deficient number, since it is larger than the sum of its proper divisors (292947346407).

540717053721 is a wasteful number, since it uses less digits than its factorization.

540717053721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486881.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 540717053721 in words is "five hundred forty billion, seven hundred seventeen million, fifty-three thousand, seven hundred twenty-one".