6135228640 has 48 divisors (see below), whose sum is σ = 14500820880. Its totient is φ = 2453017600.

The previous prime is 6135228637. The next prime is 6135228647. The reversal of 6135228640 is 468225316.

It is a self number, because there is not a number n which added to its sum of digits gives 6135228640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6135228647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429615 + ... + 443665.

It is an arithmetic number, because the mean of its divisors is an integer number (302100435).

Almost surely, 2^6135228640 is an apocalyptic number.

It is an amenable number.

6135228640 is an abundant number, since it is smaller than the sum of its proper divisors (8365592240).

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

6135228640 is a wasteful number, since it uses less digits than its factorization.

6135228640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16795 (or 16787 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6135228640 is about 78327.7003364710. The cubic root of 6135228640 is about 1830.6707843833.

The spelling of 6135228640 in words is "six billion, one hundred thirty-five million, two hundred twenty-eight thousand, six hundred forty".