540617888440 has 64 divisors (see below), whose sum is σ = 1392702105600. Its totient is φ = 185015795328.

The previous prime is 540617888423. The next prime is 540617888443. The reversal of 540617888440 is 44888716045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540617888443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1611720 + ... + 1918039.

It is an arithmetic number, because the mean of its divisors is an integer number (21760970400).

Almost surely, 2^540617888440 is an apocalyptic number.

It is an amenable number.

540617888440 is an abundant number, since it is smaller than the sum of its proper divisors (852084217160).

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

540617888440 is a wasteful number, since it uses less digits than its factorization.

540617888440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530324 (or 3530320 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 55.

The spelling of 540617888440 in words is "five hundred forty billion, six hundred seventeen million, eight hundred eighty-eight thousand, four hundred forty".