542036531242 has 16 divisors (see below), whose sum is σ = 814313372040. Its totient is φ = 270598920192.

The previous prime is 542036531173. The next prime is 542036531251. The reversal of 542036531242 is 242135630245.

It can be written as a sum of positive squares in 4 ways, for example, as 267805215001 + 274231316241 = 517499^2 + 523671^2 .

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, 6340978 + ... + 6425890.

Almost surely, 2^542036531242 is an apocalyptic number.

542036531242 is a deficient number, since it is larger than the sum of its proper divisors (272276840798).

542036531242 is a wasteful number, since it uses less digits than its factorization.

542036531242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89817.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 542036531242 in words is "five hundred forty-two billion, thirty-six million, five hundred thirty-one thousand, two hundred forty-two".