1042036644 has 24 divisors (see below), whose sum is σ = 2652457248. Its totient is φ = 315768640.

The previous prime is 1042036637. The next prime is 1042036649. The reversal of 1042036644 is 4466302401.

It is not an unprimeable number, because it can be changed into a prime (1042036649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946977 + ... + 3947240.

It is an arithmetic number, because the mean of its divisors is an integer number (110519052).

Almost surely, 2^1042036644 is an apocalyptic number.

It is an amenable number.

1042036644 is an abundant number, since it is smaller than the sum of its proper divisors (1610420604).

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

1042036644 is a wasteful number, since it uses less digits than its factorization.

1042036644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894235 (or 7894233 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1042036644 is about 32280.5923737468. The cubic root of 1042036644 is about 1013.8203331562.

The spelling of 1042036644 in words is "one billion, forty-two million, thirty-six thousand, six hundred forty-four".