5375665640 has 32 divisors (see below), whose sum is σ = 12376536480. Its totient is φ = 2100259392.

The previous prime is 5375665637. The next prime is 5375665699. The reversal of 5375665640 is 465665735.

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 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 7 ways as a sum of consecutive naturals, for example, 1560974 + ... + 1564413.

It is an arithmetic number, because the mean of its divisors is an integer number (386766765).

Almost surely, 2^5375665640 is an apocalyptic number.

It is an amenable number.

5375665640 is an abundant number, since it is smaller than the sum of its proper divisors (7000870840).

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

5375665640 is a wasteful number, since it uses less digits than its factorization.

5375665640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125441 (or 3125437 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 47.

The square root of 5375665640 is about 73318.9309796590. The cubic root of 5375665640 is about 1751.7713373446.

The spelling of 5375665640 in words is "five billion, three hundred seventy-five million, six hundred sixty-five thousand, six hundred forty".