1044550823064 has 192 divisors, whose sum is σ = 3095405228160. Its totient is φ = 292811904000.

The previous prime is 1044550823039. The next prime is 1044550823093. The reversal of 1044550823064 is 4603280554401.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19750384 + ... + 19803200.

It is an arithmetic number, because the mean of its divisors is an integer number (16121902230).

Almost surely, 2^{1044550823064} is an apocalyptic number.

1044550823064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044550823064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547702614080).

1044550823064 is an abundant number, since it is smaller than the sum of its proper divisors (2050854405096).

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

1044550823064 is a wasteful number, since it uses less digits than its factorization.

1044550823064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53158 (or 53147 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 1044550823064 in words is "one trillion, forty-four billion, five hundred fifty million, eight hundred twenty-three thousand, sixty-four".