6147939960 has 128 divisors (see below), whose sum is σ = 20550297600. Its totient is φ = 1634878080.

The previous prime is 6147939947. The next prime is 6147939977. The reversal of 6147939960 is 699397416.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6147939897 and 6147939906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388605 + ... + 404115.

It is an arithmetic number, because the mean of its divisors is an integer number (160549200).

Almost surely, 2^6147939960 is an apocalyptic number.

6147939960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6147939960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10275148800).

6147939960 is an abundant number, since it is smaller than the sum of its proper divisors (14402357640).

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

6147939960 is a wasteful number, since it uses less digits than its factorization.

6147939960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15898 (or 15888 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 6147939960 is about 78408.8002713981. The cubic root of 6147939960 is about 1831.9342086236.

The spelling of 6147939960 in words is "six billion, one hundred forty-seven million, nine hundred thirty-nine thousand, nine hundred sixty".