42554232144 has 40 divisors (see below), whose sum is σ = 122146408320. Its totient is φ = 14184743904.

The previous prime is 42554232139. The next prime is 42554232187. The reversal of 42554232144 is 44123245524.

42554232144 is a `hidden beast` number, since 4 + 255 + 42 + 321 + 44 = 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 = 42554232099 and 42554232108.

It is a congruent number.

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, 49252152 + ... + 49253015.

It is an arithmetic number, because the mean of its divisors is an integer number (3053660208).

Almost surely, 2^42554232144 is an apocalyptic number.

It is an amenable number.

42554232144 is an abundant number, since it is smaller than the sum of its proper divisors (79592176176).

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

42554232144 is a wasteful number, since it uses less digits than its factorization.

42554232144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98505184 (or 98505172 counting only the distinct ones).

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

Adding to 42554232144 its reverse (44123245524), we get a palindrome (86677477668).

The spelling of 42554232144 in words is "forty-two billion, five hundred fifty-four million, two hundred thirty-two thousand, one hundred forty-four".