1204789252044 has 240 divisors, whose sum is σ = 3331017230688. Its totient is φ = 338862311424.

The previous prime is 1204789252013. The next prime is 1204789252063. The reversal of 1204789252044 is 4402529874021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1204789251984 and 1204789252002.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 511152514 + ... + 511154870.

Almost surely, 2^{1204789252044} is an apocalyptic number.

1204789252044 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 1204789252044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665508615344).

1204789252044 is an abundant number, since it is smaller than the sum of its proper divisors (2126227978644).

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

1204789252044 is a wasteful number, since it uses less digits than its factorization.

1204789252044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 1204789252044 in words is "one trillion, two hundred four billion, seven hundred eighty-nine million, two hundred fifty-two thousand, forty-four".