7480138380 has 192 divisors, whose sum is σ = 26053913088. Its totient is φ = 1575383040.

The previous prime is 7480138339. The next prime is 7480138387. The reversal of 7480138380 is 838310847.

7480138380 is a modest number, since divided by 138380 gives 7480 as remainder.

It is not an unprimeable number, because it can be changed into a prime (7480138387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120219 + ... + 171501.

It is an arithmetic number, because the mean of its divisors is an integer number (135697464).

Almost surely, 2^7480138380 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 7480138380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13026956544).

7480138380 is an abundant number, since it is smaller than the sum of its proper divisors (18573774708).

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

7480138380 is a wasteful number, since it uses less digits than its factorization.

7480138380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51336 (or 51334 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 7480138380 is about 86487.7932427461. The cubic root of 7480138380 is about 1955.7043905292.

The spelling of 7480138380 in words is "seven billion, four hundred eighty million, one hundred thirty-eight thousand, three hundred eighty".