540250515431 has 8 divisors (see below), whose sum is σ = 591259264128. Its totient is φ = 489557611000.

The previous prime is 540250515421. The next prime is 540250515437. The reversal of 540250515431 is 134515052045.

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

It is a cyclic number.

It is not a de Polignac number, because 540250515431 - 2³⁰ = 539176773607 is a prime.

It is a super-2 number, since 2×540250515431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540250515391 and 540250515400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540250515437) 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, 78957485 + ... + 78964326.

It is an arithmetic number, because the mean of its divisors is an integer number (73907408016).

Almost surely, 2^540250515431 is an apocalyptic number.

540250515431 is a deficient number, since it is larger than the sum of its proper divisors (51008748697).

540250515431 is a wasteful number, since it uses less digits than its factorization.

540250515431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157922133.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 540250515431 its reverse (134515052045), we get a palindrome (674765567476).

The spelling of 540250515431 in words is "five hundred forty billion, two hundred fifty million, five hundred fifteen thousand, four hundred thirty-one".