542444332365 has 48 divisors (see below), whose sum is σ = 1029724899840. Its totient is φ = 262523237760.

The previous prime is 542444332351. The next prime is 542444332459. The reversal of 542444332365 is 563233444245.

542444332365 is a `hidden beast` number, since 5 + 4 + 244 + 43 + 3 + 2 + 365 = 666.

It is not a de Polignac number, because 542444332365 - 2⁸ = 542444332109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 542444332365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7823581 + ... + 7892610.

It is an arithmetic number, because the mean of its divisors is an integer number (21452602080).

Almost surely, 2^542444332365 is an apocalyptic number.

It is an amenable number.

542444332365 is a deficient number, since it is larger than the sum of its proper divisors (487280567475).

542444332365 is a wasteful number, since it uses less digits than its factorization.

542444332365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15716274 (or 15716271 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 45.

The spelling of 542444332365 in words is "five hundred forty-two billion, four hundred forty-four million, three hundred thirty-two thousand, three hundred sixty-five".