1052444644 has 24 divisors (see below), whose sum is σ = 1886262336. Its totient is φ = 513660000.

The previous prime is 1052444639. The next prime is 1052444647. The reversal of 1052444644 is 4464442501.

It is a super-2 number, since 2×1052444644² = 2215279457368573472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052444647) 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, 10339 + ... + 47029.

It is an arithmetic number, because the mean of its divisors is an integer number (78594264).

Almost surely, 2^1052444644 is an apocalyptic number.

It is an amenable number.

1052444644 is a deficient number, since it is larger than the sum of its proper divisors (833817692).

1052444644 is a wasteful number, since it uses less digits than its factorization.

1052444644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36867 (or 36865 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The square root of 1052444644 is about 32441.4032372214. The cubic root of 1052444644 is about 1017.1845477370.

The spelling of 1052444644 in words is "one billion, fifty-two million, four hundred forty-four thousand, six hundred forty-four".