2663251460 has 24 divisors (see below), whose sum is σ = 5684516376. Its totient is φ = 1047836160.

The previous prime is 2663251439. The next prime is 2663251463. The reversal of 2663251460 is 641523662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 126517504 + 2536733956 = 11248^2 + 50366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2663251460.

It is not an unprimeable number, because it can be changed into a prime (2663251463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090277 + ... + 1092716.

It is an arithmetic number, because the mean of its divisors is an integer number (236854849).

Almost surely, 2^2663251460 is an apocalyptic number.

2663251460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663251460 is an abundant number, since it is smaller than the sum of its proper divisors (3021264916).

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

2663251460 is a wasteful number, since it uses less digits than its factorization.

2663251460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183063 (or 2183061 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2663251460 is about 51606.6997588491. The cubic root of 2663251460 is about 1386.1303027874.

The spelling of 2663251460 in words is "two billion, six hundred sixty-three million, two hundred fifty-one thousand, four hundred sixty".