42551143332 has 12 divisors (see below), whose sum is σ = 99286001136. Its totient is φ = 14183714440.

The previous prime is 42551143331. The next prime is 42551143363. The reversal of 42551143332 is 23334115524.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42551143293 and 42551143302.

It is not an unprimeable number, because it can be changed into a prime (42551143331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772964294 + ... + 1772964317.

It is an arithmetic number, because the mean of its divisors is an integer number (8273833428).

Almost surely, 2^42551143332 is an apocalyptic number.

It is an amenable number.

42551143332 is an abundant number, since it is smaller than the sum of its proper divisors (56734857804).

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

42551143332 is a wasteful number, since it uses less digits than its factorization.

42551143332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545928618 (or 3545928616 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

Adding to 42551143332 its reverse (23334115524), we get a palindrome (65885258856).

The spelling of 42551143332 in words is "forty-two billion, five hundred fifty-one million, one hundred forty-three thousand, three hundred thirty-two".