1219598147040 has 768 divisors, whose sum is σ = 4990703155200. Its totient is φ = 243114835968.

The previous prime is 1219598146937. The next prime is 1219598147077. The reversal of 1219598147040 is 407418959121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 339435484 + ... + 339439076.

It is an arithmetic number, because the mean of its divisors is an integer number (6498311400).

Almost surely, 2^{1219598147040} is an apocalyptic number.

1219598147040 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 1219598147040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495351577600).

1219598147040 is an abundant number, since it is smaller than the sum of its proper divisors (3771105008160).

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

1219598147040 is a wasteful number, since it uses less digits than its factorization.

1219598147040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 1219598147040 in words is "one trillion, two hundred nineteen billion, five hundred ninety-eight million, one hundred forty-seven thousand, forty".