2140454224 has 30 divisors (see below), whose sum is σ = 4405438334. Its totient is φ = 1007270400.

The previous prime is 2140454219. The next prime is 2140454231. The reversal of 2140454224 is 4224540412.

It can be written as a sum of positive squares in 3 ways, for example, as 1060674624 + 1079779600 = 32568^2 + 32860^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2140454192 and 2140454201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226827 + ... + 236074.

Almost surely, 2^2140454224 is an apocalyptic number.

It is an amenable number.

2140454224 is an abundant number, since it is smaller than the sum of its proper divisors (2264984110).

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

2140454224 is a wasteful number, since it uses less digits than its factorization.

2140454224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462943 (or 462920 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 2140454224 is about 46265.0432183955. The cubic root of 2140454224 is about 1288.7499105047.

Adding to 2140454224 its reverse (4224540412), we get a palindrome (6364994636).

The spelling of 2140454224 in words is "two billion, one hundred forty million, four hundred fifty-four thousand, two hundred twenty-four".