1198742650560 has 672 divisors, whose sum is σ = 5238411988992. Its totient is φ = 244761108480.

The previous prime is 1198742650559. The next prime is 1198742650577. The reversal of 1198742650560 is 650562478911.

It is a happy number.

1198742650560 is a `hidden beast` number, since 1 + 1 + 9 + 8 + 7 + 4 + 26 + 50 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×1198742650560² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1198742650497 and 1198742650506.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8050707 + ... + 8198253.

It is an arithmetic number, because the mean of its divisors is an integer number (7795255936).

Almost surely, 2^{1198742650560} is an apocalyptic number.

1198742650560 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 1198742650560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2619205994496).

1198742650560 is an abundant number, since it is smaller than the sum of its proper divisors (4039669338432).

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

1198742650560 is a wasteful number, since it uses less digits than its factorization.

1198742650560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147621 (or 147608 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 1198742650560 in words is "one trillion, one hundred ninety-eight billion, seven hundred forty-two million, six hundred fifty thousand, five hundred sixty".