1198426763520 has 864 divisors, whose sum is σ = 4812269978880. Its totient is φ = 269711769600.

The previous prime is 1198426763491. The next prime is 1198426763537. The reversal of 1198426763520 is 253676248911.

It is a happy number.

1198426763520 is a `hidden beast` number, since 1 + 1 + 9 + 8 + 42 + 6 + 76 + 3 + 520 = 666.

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, 2190907887 + ... + 2190908433.

It is an arithmetic number, because the mean of its divisors is an integer number (5569756920).

It is a 1-persistent number, because it is pandigital, but 2⋅1198426763520 = 2396853527040 is not.

Almost surely, 2^{1198426763520} is an apocalyptic number.

1198426763520 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 1198426763520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2406134989440).

1198426763520 is an abundant number, since it is smaller than the sum of its proper divisors (3613843215360).

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

1198426763520 is a wasteful number, since it uses less digits than its factorization.

1198426763520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 1198426763520 in words is "one trillion, one hundred ninety-eight billion, four hundred twenty-six million, seven hundred sixty-three thousand, five hundred twenty".