542244321045 has 96 divisors (see below), whose sum is σ = 1110645768960. Its totient is φ = 239576417280.

The previous prime is 542244321023. The next prime is 542244321049. The reversal of 542244321045 is 540123442245.

542244321045 is a `hidden beast` number, since 54 + 2 + 244 + 321 + 0 + 45 = 666.

It is not a de Polignac number, because 542244321045 - 2¹⁰ = 542244320021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542244321049) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1185711 + ... + 1578099.

It is an arithmetic number, because the mean of its divisors is an integer number (11569226760).

Almost surely, 2^542244321045 is an apocalyptic number.

It is an amenable number.

542244321045 is an abundant number, since it is smaller than the sum of its proper divisors (568401447915).

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

542244321045 is a wasteful number, since it uses less digits than its factorization.

542244321045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392555 (or 392552 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 542244321045 in words is "five hundred forty-two billion, two hundred forty-four million, three hundred twenty-one thousand, forty-five".