1042442402 has 16 divisors (see below), whose sum is σ = 1581168600. Its totient is φ = 515407872.

The previous prime is 1042442393. The next prime is 1042442419. The reversal of 1042442402 is 2042442401.

It can be written as a sum of positive squares in 4 ways, for example, as 496799521 + 545642881 = 22289^2 + 23359^2 .

It is a super-2 number, since 2×1042442402² = 2173372322975059208, which contains 22 as substring.

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, 96338 + ... + 106610.

Almost surely, 2^1042442402 is an apocalyptic number.

1042442402 is a deficient number, since it is larger than the sum of its proper divisors (538726198).

1042442402 is a wasteful number, since it uses less digits than its factorization.

1042442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1042442402 is about 32286.8766219342. The cubic root of 1042442402 is about 1013.9519063693.

Adding to 1042442402 its reverse (2042442401), we get a palindrome (3084884803).

Subtracting 1042442402 from its reverse (2042442401), we obtain a palindrome (999999999).

The spelling of 1042442402 in words is "one billion, forty-two million, four hundred forty-two thousand, four hundred two".