542507354745520 has 40 divisors (see below), whose sum is σ = 1270403913476880. Its totient is φ = 215441769649920.

The previous prime is 542507354745487. The next prime is 542507354745527. The reversal of 542507354745520 is 25547453705245.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (542507354745527) 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, 24393305191 + ... + 24393327430.

It is an arithmetic number, because the mean of its divisors is an integer number (31760097836922).

Almost surely, 2^{542507354745520} is an apocalyptic number.

It is an amenable number.

542507354745520 is an abundant number, since it is smaller than the sum of its proper divisors (727896558731360).

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

542507354745520 is a wasteful number, since it uses less digits than its factorization.

542507354745520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48786632773 (or 48786632767 counting only the distinct ones).

The product of its (nonzero) digits is 117600000, while the sum is 58.

The spelling of 542507354745520 in words is "five hundred forty-two trillion, five hundred seven billion, three hundred fifty-four million, seven hundred forty-five thousand, five hundred twenty".