42330155544 has 96 divisors (see below), whose sum is σ = 118654426800. Its totient is φ = 13616951040.

The previous prime is 42330155531. The next prime is 42330155591. The reversal of 42330155544 is 44555103324.

42330155544 is a `hidden beast` number, since 423 + 30 + 155 + 54 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42330155499 and 42330155508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6283602 + ... + 6290334.

Almost surely, 2^42330155544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42330155544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59327213400).

42330155544 is an abundant number, since it is smaller than the sum of its proper divisors (76324271256).

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

42330155544 is a wasteful number, since it uses less digits than its factorization.

42330155544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785 (or 9778 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 42330155544 its reverse (44555103324), we get a palindrome (86885258868).

The spelling of 42330155544 in words is "forty-two billion, three hundred thirty million, one hundred fifty-five thousand, five hundred forty-four".