1442402552 has 32 divisors (see below), whose sum is σ = 2795385600. Its totient is φ = 697337184.

The previous prime is 1442402543. The next prime is 1442402557. The reversal of 1442402552 is 2552042441.

It is a super-2 number, since 2×1442402552² = 4161050244032225408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442402557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8099 + ... + 54317.

It is an arithmetic number, because the mean of its divisors is an integer number (87355800).

Almost surely, 2^1442402552 is an apocalyptic number.

It is an amenable number.

1442402552 is a deficient number, since it is larger than the sum of its proper divisors (1352983048).

1442402552 is a wasteful number, since it uses less digits than its factorization.

1442402552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46355 (or 46351 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1442402552 is about 37978.9751309853. The cubic root of 1442402552 is about 1129.8709101497.

Adding to 1442402552 its reverse (2552042441), we get a palindrome (3994444993).

The spelling of 1442402552 in words is "one billion, four hundred forty-two million, four hundred two thousand, five hundred fifty-two".