6575140440 has 128 divisors (see below), whose sum is σ = 23909644800. Its totient is φ = 1593970560.

The previous prime is 6575140427. The next prime is 6575140489. The reversal of 6575140440 is 440415756.

6575140440 is a `hidden beast` number, since 6 + 5 + 75 + 140 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6575140395 and 6575140404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264852 + ... + 288611.

It is an arithmetic number, because the mean of its divisors is an integer number (186794100).

Almost surely, 2^6575140440 is an apocalyptic number.

6575140440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6575140440 is an abundant number, since it is smaller than the sum of its proper divisors (17334504360).

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

6575140440 is a wasteful number, since it uses less digits than its factorization.

6575140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553494 (or 553484 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 6575140440 is about 81087.2396866486. The cubic root of 6575140440 is about 1873.4193911347.

The spelling of 6575140440 in words is "six billion, five hundred seventy-five million, one hundred forty thousand, four hundred forty".