542044542147 has 24 divisors (see below), whose sum is σ = 768772509696. Its totient is φ = 339648213744.

The previous prime is 542044542133. The next prime is 542044542163. The reversal of 542044542147 is 741245440245.

It is a happy number.

It is not a de Polignac number, because 542044542147 - 2⁴ = 542044542131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542044542099 and 542044542108.

It is not an unprimeable number, because it can be changed into a prime (542044542647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1832943 + ... + 2108024.

It is an arithmetic number, because the mean of its divisors is an integer number (32032187904).

Almost surely, 2^542044542147 is an apocalyptic number.

542044542147 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

542044542147 is a deficient number, since it is larger than the sum of its proper divisors (226727967549).

542044542147 is a wasteful number, since it uses less digits than its factorization.

542044542147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941135 (or 3941116 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 42.

The spelling of 542044542147 in words is "five hundred forty-two billion, forty-four million, five hundred forty-two thousand, one hundred forty-seven".