1402101444 has 24 divisors (see below), whose sum is σ = 3301587520. Its totient is φ = 463078944.

The previous prime is 1402101443. The next prime is 1402101457. The reversal of 1402101444 is 4441012041.

It is a self number, because there is not a number n which added to its sum of digits gives 1402101444.

It is not an unprimeable number, because it can be changed into a prime (1402101443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534664 + ... + 537279.

Almost surely, 2^1402101444 is an apocalyptic number.

It is an amenable number.

1402101444 is an abundant number, since it is smaller than the sum of its proper divisors (1899486076).

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

1402101444 is a wasteful number, since it uses less digits than its factorization.

1402101444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072059 (or 1072057 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1402101444 is about 37444.6450644148. The cubic root of 1402101444 is about 1119.2483913447.

Adding to 1402101444 its reverse (4441012041), we get a palindrome (5843113485).

The spelling of 1402101444 in words is "one billion, four hundred two million, one hundred one thousand, four hundred forty-four".