4540632527531 has 8 divisors (see below), whose sum is σ = 4557970883760. Its totient is φ = 4523312207232.

The previous prime is 4540632527447. The next prime is 4540632527617. The reversal of 4540632527531 is 1357252360454.

It is a happy number.

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-4540632527531 is a prime.

It is a super-2 number, since 2×4540632527531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540632527831) 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, 4004405 + ... + 5011638.

It is an arithmetic number, because the mean of its divisors is an integer number (569746360470).

Almost surely, 2^{4540632527531} is an apocalyptic number.

4540632527531 is a deficient number, since it is larger than the sum of its proper divisors (17338356229).

4540632527531 is a wasteful number, since it uses less digits than its factorization.

4540632527531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017965.

The product of its (nonzero) digits is 3024000, while the sum is 47.

Adding to 4540632527531 its reverse (1357252360454), we get a palindrome (5897884887985).

The spelling of 4540632527531 in words is "four trillion, five hundred forty billion, six hundred thirty-two million, five hundred twenty-seven thousand, five hundred thirty-one".