543605126540 has 48 divisors (see below), whose sum is σ = 1305516248064. Its totient is φ = 186255480000.

The previous prime is 543605126521. The next prime is 543605126573. The reversal of 543605126540 is 45621506345.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073336 + ... + 1496415.

It is an arithmetic number, because the mean of its divisors is an integer number (27198255168).

Almost surely, 2^543605126540 is an apocalyptic number.

It is an amenable number.

543605126540 is an abundant number, since it is smaller than the sum of its proper divisors (761911121524).

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

543605126540 is a wasteful number, since it uses less digits than its factorization.

543605126540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571278 (or 2571276 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 543605126540 in words is "five hundred forty-three billion, six hundred five million, one hundred twenty-six thousand, five hundred forty".