1104445203440 has 80 divisors (see below), whose sum is σ = 2663007770880. Its totient is φ = 425480294400.

The previous prime is 1104445203397. The next prime is 1104445203509. The reversal of 1104445203440 is 443025444011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1104445203397 and 1104445203406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336737 + ... + 1523903.

It is an arithmetic number, because the mean of its divisors is an integer number (33287597136).

Almost surely, 2^{1104445203440} is an apocalyptic number.

1104445203440 is a gapful number since it is divisible by the number (10) 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 1104445203440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331503885440).

1104445203440 is an abundant number, since it is smaller than the sum of its proper divisors (1558562567440).

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

1104445203440 is a wasteful number, since it uses less digits than its factorization.

1104445203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187610 (or 1187604 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 1104445203440 in words is "one trillion, one hundred four billion, four hundred forty-five million, two hundred three thousand, four hundred forty".