1045634443644 has 24 divisors (see below), whose sum is σ = 2788358516608. Its totient is φ = 298752698160.

The previous prime is 1045634443639. The next prime is 1045634443663. The reversal of 1045634443644 is 4463444365401.

It is a junction number, because it is equal to n+sod(n) for n = 1045634443593 and 1045634443602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6224014462 + ... + 6224014629.

Almost surely, 2^{1045634443644} is an apocalyptic number.

1045634443644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1045634443644 is an abundant number, since it is smaller than the sum of its proper divisors (1742724072964).

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

1045634443644 is a wasteful number, since it uses less digits than its factorization.

1045634443644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12448029105 (or 12448029103 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 48.

It can be divided in two parts, 10 and 45634443644, that added together give a palindrome (45634443654).

The spelling of 1045634443644 in words is "one trillion, forty-five billion, six hundred thirty-four million, four hundred forty-three thousand, six hundred forty-four".