7442139300 has 144 divisors (see below), whose sum is σ = 23416001280. Its totient is φ = 1817303040.

The previous prime is 7442139293. The next prime is 7442139323. The reversal of 7442139300 is 39312447.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168981 + ... + 208419.

It is an arithmetic number, because the mean of its divisors is an integer number (162611120).

Almost surely, 2^7442139300 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 7442139300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11708000640).

7442139300 is an abundant number, since it is smaller than the sum of its proper divisors (15973861980).

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

7442139300 is a wasteful number, since it uses less digits than its factorization.

7442139300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39510 (or 39503 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 7442139300 is about 86267.8346778218. The cubic root of 7442139300 is about 1952.3871094798.

The spelling of 7442139300 in words is "seven billion, four hundred forty-two million, one hundred thirty-nine thousand, three hundred".