2254406660 has 36 divisors (see below), whose sum is σ = 5203772364. Its totient is φ = 819783360.

The previous prime is 2254406657. The next prime is 2254406683. The reversal of 2254406660 is 666044522.

It can be written as a sum of positive squares in 2 ways, for example, as 551028676 + 1703377984 = 23474^2 + 41272^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2254406660.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463367 + ... + 468206.

Almost surely, 2^2254406660 is an apocalyptic number.

2254406660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2254406660 is an abundant number, since it is smaller than the sum of its proper divisors (2949365704).

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

2254406660 is a wasteful number, since it uses less digits than its factorization.

2254406660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931604 (or 931591 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2254406660 is about 47480.5924562868. The cubic root of 2254406660 is about 1311.2255996984.

The spelling of 2254406660 in words is "two billion, two hundred fifty-four million, four hundred six thousand, six hundred sixty".