1042144402 has 8 divisors (see below), whose sum is σ = 1683464076. Its totient is φ = 480989712.

The previous prime is 1042144373. The next prime is 1042144417. The reversal of 1042144402 is 2044412401.

It can be written as a sum of positive squares in 2 ways, for example, as 981631561 + 60512841 = 31331^2 + 7779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20041213 + ... + 20041264.

Almost surely, 2^1042144402 is an apocalyptic number.

1042144402 is a deficient number, since it is larger than the sum of its proper divisors (641319674).

1042144402 is a wasteful number, since it uses less digits than its factorization.

1042144402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40082492.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1042144402 is about 32282.2614139716. The cubic root of 1042144402 is about 1013.8552786598.

Adding to 1042144402 its reverse (2044412401), we get a palindrome (3086556803).

The spelling of 1042144402 in words is "one billion, forty-two million, one hundred forty-four thousand, four hundred two".