7398981288 has 40 divisors (see below), whose sum is σ = 20724000330. Its totient is φ = 2466326880.

The previous prime is 7398981257. The next prime is 7398981307. The reversal of 7398981288 is 8821898937.

It can be written as a sum of positive squares in only one way, i.e., 4062532644 + 3336448644 = 63738^2 + 57762^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5708443 + ... + 5709738.

Almost surely, 2^7398981288 is an apocalyptic number.

It is an amenable number.

7398981288 is an abundant number, since it is smaller than the sum of its proper divisors (13325019042).

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

7398981288 is a wasteful number, since it uses less digits than its factorization.

7398981288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418199 (or 11418186 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The square root of 7398981288 is about 86017.3313234025. The cubic root of 7398981288 is about 1948.6057346879.

The spelling of 7398981288 in words is "seven billion, three hundred ninety-eight million, nine hundred eighty-one thousand, two hundred eighty-eight".