7442864660 has 48 divisors (see below), whose sum is σ = 19486776960. Its totient is φ = 2319853440.

The previous prime is 7442864659. The next prime is 7442864687. The reversal of 7442864660 is 664682447.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414975 + ... + 2418054.

It is an arithmetic number, because the mean of its divisors is an integer number (405974520).

Almost surely, 2^7442864660 is an apocalyptic number.

7442864660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7442864660 is an abundant number, since it is smaller than the sum of its proper divisors (12043912300).

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

7442864660 is a wasteful number, since it uses less digits than its factorization.

7442864660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833056 (or 4833054 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 47.

The square root of 7442864660 is about 86272.0386915714. The cubic root of 7442864660 is about 1952.4505382624.

The spelling of 7442864660 in words is "seven billion, four hundred forty-two million, eight hundred sixty-four thousand, six hundred sixty".