2647135480 has 128 divisors (see below), whose sum is σ = 7007212800. Its totient is φ = 889574400.

The previous prime is 2647135459. The next prime is 2647135487. The reversal of 2647135480 is 845317462.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647135487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338899 + ... + 346621.

It is an arithmetic number, because the mean of its divisors is an integer number (54743850).

Almost surely, 2^2647135480 is an apocalyptic number.

2647135480 is a gapful number since it is divisible by the number (20) 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 2647135480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3503606400).

2647135480 is an abundant number, since it is smaller than the sum of its proper divisors (4360077320).

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

2647135480 is a wasteful number, since it uses less digits than its factorization.

2647135480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805 (or 7801 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2647135480 is about 51450.3205043467. The cubic root of 2647135480 is about 1383.3287073280.

The spelling of 2647135480 in words is "two billion, six hundred forty-seven million, one hundred thirty-five thousand, four hundred eighty".