7440123980 has 12 divisors (see below), whose sum is σ = 15624260400. Its totient is φ = 2976049584.

The previous prime is 7440123979. The next prime is 7440123989. The reversal of 7440123980 is 893210447.

It is not an unprimeable number, because it can be changed into a prime (7440123989) 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, 186003080 + ... + 186003119.

It is an arithmetic number, because the mean of its divisors is an integer number (1302021700).

Almost surely, 2^7440123980 is an apocalyptic number.

It is an amenable number.

7440123980 is an abundant number, since it is smaller than the sum of its proper divisors (8184136420).

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

7440123980 is a wasteful number, since it uses less digits than its factorization.

7440123980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372006208 (or 372006206 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7440123980 is about 86256.1532877510. The cubic root of 7440123980 is about 1952.2108590831.

The spelling of 7440123980 in words is "seven billion, four hundred forty million, one hundred twenty-three thousand, nine hundred eighty".