42522005500 has 144 divisors (see below), whose sum is σ = 100885206240. Its totient is φ = 15649920000.

The previous prime is 42522005431. The next prime is 42522005509. The reversal of 42522005500 is 550022524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42522005509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35404900 + ... + 35406100.

It is an arithmetic number, because the mean of its divisors is an integer number (700591710).

Almost surely, 2^42522005500 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 42522005500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50442603120).

42522005500 is an abundant number, since it is smaller than the sum of its proper divisors (58363200740).

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

42522005500 is a wasteful number, since it uses less digits than its factorization.

42522005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 42522005500 in words is "forty-two billion, five hundred twenty-two million, five thousand, five hundred".