540052820731 has 8 divisors (see below), whose sum is σ = 545416507728. Its totient is φ = 534689460000.

The previous prime is 540052820693. The next prime is 540052820759. The reversal of 540052820731 is 137028250045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540052820731 is a prime.

It is a super-2 number, since 2×540052820731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540052820231) 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, 4535821 + ... + 4653361.

It is an arithmetic number, because the mean of its divisors is an integer number (68177063466).

Almost surely, 2^540052820731 is an apocalyptic number.

540052820731 is a deficient number, since it is larger than the sum of its proper divisors (5363686997).

540052820731 is a wasteful number, since it uses less digits than its factorization.

540052820731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163133.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 540052820731 in words is "five hundred forty billion, fifty-two million, eight hundred twenty thousand, seven hundred thirty-one".