6988058440 has 64 divisors (see below), whose sum is σ = 17705848320. Its totient is φ = 2459136000.

The previous prime is 6988058423. The next prime is 6988058447. The reversal of 6988058440 is 448508896.

It is not an unprimeable number, because it can be changed into a prime (6988058447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242521 + ... + 269800.

It is an arithmetic number, because the mean of its divisors is an integer number (276653880).

Almost surely, 2^6988058440 is an apocalyptic number.

It is an amenable number.

6988058440 is an abundant number, since it is smaller than the sum of its proper divisors (10717789880).

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

6988058440 is a wasteful number, since it uses less digits than its factorization.

6988058440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512374 (or 512370 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 6988058440 is about 83594.6077208333. The cubic root of 6988058440 is about 1911.8427835052.

The spelling of 6988058440 in words is "six billion, nine hundred eighty-eight million, fifty-eight thousand, four hundred forty".