3575646140 has 48 divisors (see below), whose sum is σ = 8223483744. Its totient is φ = 1295155200.

The previous prime is 3575646101. The next prime is 3575646143. The reversal of 3575646140 is 416465753.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3575646143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24920 + ... + 88160.

It is an arithmetic number, because the mean of its divisors is an integer number (171322578).

Almost surely, 2^3575646140 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 3575646140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4111741872).

3575646140 is an abundant number, since it is smaller than the sum of its proper divisors (4647837604).

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

3575646140 is a wasteful number, since it uses less digits than its factorization.

3575646140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63518 (or 63516 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 3575646140 is about 59796.7067655067. The cubic root of 3575646140 is about 1529.1550063762.

The spelling of 3575646140 in words is "three billion, five hundred seventy-five million, six hundred forty-six thousand, one hundred forty".