1056142404 has 36 divisors (see below), whose sum is σ = 2677374700. Its totient is φ = 351034560.

The previous prime is 1056142403. The next prime is 1056142427. The reversal of 1056142404 is 4042416501.

1056142404 is a `hidden beast` number, since 1 + 0 + 5 + 614 + 2 + 40 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 322274304 + 733868100 = 17952^2 + 27090^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1056142404² = 2230873555053798432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056142403) 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 11 ways as a sum of consecutive naturals, for example, 29467 + ... + 54594.

Almost surely, 2^1056142404 is an apocalyptic number.

It is an amenable number.

1056142404 is an abundant number, since it is smaller than the sum of its proper divisors (1621232296).

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

1056142404 is a wasteful number, since it uses less digits than its factorization.

1056142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84420 (or 84415 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1056142404 is about 32498.3446347656. The cubic root of 1056142404 is about 1018.3744465198.

Adding to 1056142404 its reverse (4042416501), we get a palindrome (5098558905).

The spelling of 1056142404 in words is "one billion, fifty-six million, one hundred forty-two thousand, four hundred four".