540251502420231 has 48 divisors (see below), whose sum is σ = 931048627207680. Its totient is φ = 308714164723440.

The previous prime is 540251502420199. The next prime is 540251502420247. The reversal of 540251502420231 is 132024205152045.

540251502420231 is a `hidden beast` number, since 5 + 40 + 2 + 51 + 502 + 42 + 0 + 23 + 1 = 666.

It is not a de Polignac number, because 540251502420231 - 2⁵ = 540251502420199 is a prime.

It is a super-2 number, since 2×540251502420231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540251502422231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 715883160 + ... + 716637426.

It is an arithmetic number, because the mean of its divisors is an integer number (19396846400160).

Almost surely, 2^{540251502420231} is an apocalyptic number.

540251502420231 is a deficient number, since it is larger than the sum of its proper divisors (390797124787449).

540251502420231 is a wasteful number, since it uses less digits than its factorization.

540251502420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295681 (or 1295668 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 540251502420231 its reverse (132024205152045), we get a palindrome (672275707572276).

The spelling of 540251502420231 in words is "five hundred forty trillion, two hundred fifty-one billion, five hundred two million, four hundred twenty thousand, two hundred thirty-one".