540551320432 has 40 divisors (see below), whose sum is σ = 1109014192656. Its totient is φ = 254356663296.

The previous prime is 540551320423. The next prime is 540551320447. The reversal of 540551320432 is 234023155045.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3629743 + ... + 3775729.

Almost surely, 2^540551320432 is an apocalyptic number.

It is an amenable number.

540551320432 is an abundant number, since it is smaller than the sum of its proper divisors (568462872224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540551320432 is a wasteful number, since it uses less digits than its factorization.

540551320432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159625 (or 159619 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 540551320432 its reverse (234023155045), we get a palindrome (774574475477).

The spelling of 540551320432 in words is "five hundred forty billion, five hundred fifty-one million, three hundred twenty thousand, four hundred thirty-two".