1054447644 has 24 divisors (see below), whose sum is σ = 2605106448. Its totient is φ = 330807040.

The previous prime is 1054447643. The next prime is 1054447699. The reversal of 1054447644 is 4467444501.

It is a super-2 number, since 2×1054447644² = 2223719667874301472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054447643) 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, 2584227 + ... + 2584634.

It is an arithmetic number, because the mean of its divisors is an integer number (108546102).

Almost surely, 2^1054447644 is an apocalyptic number.

It is an amenable number.

1054447644 is an abundant number, since it is smaller than the sum of its proper divisors (1550658804).

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

1054447644 is a wasteful number, since it uses less digits than its factorization.

1054447644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168885 (or 5168883 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The square root of 1054447644 is about 32472.2596072401. The cubic root of 1054447644 is about 1017.8294365978.

The spelling of 1054447644 in words is "one billion, fifty-four million, four hundred forty-seven thousand, six hundred forty-four".