1195440000 has 320 divisors, whose sum is σ = 4215713040. Its totient is φ = 299008000.

The previous prime is 1195439989. The next prime is 1195440041. The reversal of 1195440000 is 445911.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4079854 + ... + 4080146.

Almost surely, 2^1195440000 is an apocalyptic number.

1195440000 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 1195440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2107856520).

1195440000 is an abundant number, since it is smaller than the sum of its proper divisors (3020273040).

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

1195440000 is an equidigital number, since it uses as much as digits as its factorization.

1195440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1195440000 is about 34575.1355745715. The cubic root of 1195440000 is about 1061.3108264098.

Adding to 1195440000 its reverse (445911), we get a palindrome (1195885911).

The spelling of 1195440000 in words is "one billion, one hundred ninety-five million, four hundred forty thousand".