540788857440 has 96 divisors (see below), whose sum is σ = 1834522222176. Its totient is φ = 133117255680.

The previous prime is 540788857409. The next prime is 540788857447. The reversal of 540788857440 is 44758887045.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540788857447) 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, 43326201 + ... + 43338680.

It is an arithmetic number, because the mean of its divisors is an integer number (19109606481).

Almost surely, 2^540788857440 is an apocalyptic number.

It is an amenable number.

540788857440 is an abundant number, since it is smaller than the sum of its proper divisors (1293733364736).

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

540788857440 is a wasteful number, since it uses less digits than its factorization.

540788857440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86664912 (or 86664904 counting only the distinct ones).

The product of its (nonzero) digits is 40140800, while the sum is 60.

The spelling of 540788857440 in words is "five hundred forty billion, seven hundred eighty-eight million, eight hundred fifty-seven thousand, four hundred forty".