1051442404 has 12 divisors (see below), whose sum is σ = 1840621104. Its totient is φ = 525550664.

The previous prime is 1051442393. The next prime is 1051442419. The reversal of 1051442404 is 4042441501.

It is a super-2 number, since 2×1051442404² = 2211062257858598432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28222 + ... + 53845.

It is an arithmetic number, because the mean of its divisors is an integer number (153385092).

Almost surely, 2^1051442404 is an apocalyptic number.

It is an amenable number.

1051442404 is a deficient number, since it is larger than the sum of its proper divisors (789178700).

1051442404 is a wasteful number, since it uses less digits than its factorization.

1051442404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85274 (or 85272 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1051442404 is about 32425.9526305705. The cubic root of 1051442404 is about 1016.8615578839.

Adding to 1051442404 its reverse (4042441501), we get a palindrome (5093883905).

The spelling of 1051442404 in words is "one billion, fifty-one million, four hundred forty-two thousand, four hundred four".