1045531210444 has 24 divisors (see below), whose sum is σ = 2109567404448. Its totient is φ = 444119450880.

The previous prime is 1045531210349. The next prime is 1045531210511. The reversal of 1045531210444 is 4440121355401.

It is a happy number.

1045531210444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 165219847 + ... + 165226174.

It is an arithmetic number, because the mean of its divisors is an integer number (87898641852).

Almost surely, 2^{1045531210444} is an apocalyptic number.

1045531210444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1045531210444 is an abundant number, since it is smaller than the sum of its proper divisors (1064036194004).

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

1045531210444 is a wasteful number, since it uses less digits than its factorization.

1045531210444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330446145 (or 330446143 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1045531210444 its reverse (4440121355401), we get a palindrome (5485652565845).

The spelling of 1045531210444 in words is "one trillion, forty-five billion, five hundred thirty-one million, two hundred ten thousand, four hundred forty-four".