1198679040 has 704 divisors, whose sum is σ = 4952102400. Its totient is φ = 272498688.

The previous prime is 1198679033. The next prime is 1198679057. The reversal of 1198679040 is 409768911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41333746 + ... + 41333774.

Almost surely, 2^1198679040 is an apocalyptic number.

1198679040 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 1198679040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476051200).

1198679040 is an abundant number, since it is smaller than the sum of its proper divisors (3753423360).

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

1198679040 is a wasteful number, since it uses less digits than its factorization.

1198679040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1198679040 is about 34621.9444861204. The cubic root of 1198679040 is about 1062.2685011676.

The spelling of 1198679040 in words is "one billion, one hundred ninety-eight million, six hundred seventy-nine thousand, forty".