7318928040 has 128 divisors (see below), whose sum is σ = 22538113920. Its totient is φ = 1900236800.

The previous prime is 7318928033. The next prime is 7318928107. The reversal of 7318928040 is 408298137.

It is a junction number, because it is equal to n+sod(n) for n = 7318927983 and 7318928001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3034435 + ... + 3036845.

It is an arithmetic number, because the mean of its divisors is an integer number (176079015).

Almost surely, 2^7318928040 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 7318928040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11269056960).

7318928040 is an abundant number, since it is smaller than the sum of its proper divisors (15219185880).

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

7318928040 is a wasteful number, since it uses less digits than its factorization.

7318928040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 7318928040 is about 85550.7337198226. The cubic root of 7318928040 is about 1941.5525921017.

The spelling of 7318928040 in words is "seven billion, three hundred eighteen million, nine hundred twenty-eight thousand, forty".