42039032220 has 144 divisors (see below), whose sum is σ = 131105284128. Its totient is φ = 10895731200.

The previous prime is 42039032219. The next prime is 42039032221. The reversal of 42039032220 is 2223093024.

42039032220 is a `hidden beast` number, since 4 + 20 + 390 + 32 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (42039032219) and next prime (42039032221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42039032221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7436395 + ... + 7442045.

It is an arithmetic number, because the mean of its divisors is an integer number (910453362).

Almost surely, 2^42039032220 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 42039032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65552642064).

42039032220 is an abundant number, since it is smaller than the sum of its proper divisors (89066251908).

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

42039032220 is a wasteful number, since it uses less digits than its factorization.

42039032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6820 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The spelling of 42039032220 in words is "forty-two billion, thirty-nine million, thirty-two thousand, two hundred twenty".