7318679040 has 120 divisors (see below), whose sum is σ = 25346723688. Its totient is φ = 1951641600.

The previous prime is 7318679033. The next prime is 7318679057. The reversal of 7318679040 is 409768137.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 135786 + ... + 181865.

Almost surely, 2^7318679040 is an apocalyptic number.

It is an amenable number.

7318679040 is an abundant number, since it is smaller than the sum of its proper divisors (18028044648).

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

7318679040 is a wasteful number, since it uses less digits than its factorization.

7318679040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317680 (or 317661 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 7318679040 is about 85549.2784306215. The cubic root of 7318679040 is about 1941.5305737553.

The spelling of 7318679040 in words is "seven billion, three hundred eighteen million, six hundred seventy-nine thousand, forty".