1402544244 has 24 divisors (see below), whose sum is σ = 3348711520. Its totient is φ = 456642144.

The previous prime is 1402544233. The next prime is 1402544257. The reversal of 1402544244 is 4424452041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358539 + ... + 1359570.

Almost surely, 2^1402544244 is an apocalyptic number.

It is an amenable number.

1402544244 is an abundant number, since it is smaller than the sum of its proper divisors (1946167276).

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

1402544244 is a wasteful number, since it uses less digits than its factorization.

1402544244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718159 (or 2718157 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 1402544244 is about 37450.5573256260. The cubic root of 1402544244 is about 1119.3662028451.

Adding to 1402544244 its reverse (4424452041), we get a palindrome (5826996285).

The spelling of 1402544244 in words is "one billion, four hundred two million, five hundred forty-four thousand, two hundred forty-four".