1042424644 has 6 divisors (see below), whose sum is σ = 1824243134. Its totient is φ = 521212320.

The previous prime is 1042424641. The next prime is 1042424687. The reversal of 1042424644 is 4464242401.

It can be written as a sum of positive squares in only one way, i.e., 1002482244 + 39942400 = 31662^2 + 6320^2 .

It is not an unprimeable number, because it can be changed into a prime (1042424641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130303077 + ... + 130303084.

Almost surely, 2^1042424644 is an apocalyptic number.

It is an amenable number.

1042424644 is a deficient number, since it is larger than the sum of its proper divisors (781818490).

1042424644 is a wasteful number, since it uses less digits than its factorization.

1042424644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260606165 (or 260606163 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 1042424644 is about 32286.6016173892. The cubic root of 1042424644 is about 1013.9461487818.

The spelling of 1042424644 in words is "one billion, forty-two million, four hundred twenty-four thousand, six hundred forty-four".