1190768640 has 104 divisors (see below), whose sum is σ = 3810191088. Its totient is φ = 317521920.

The previous prime is 1190768639. The next prime is 1190768651. The reversal of 1190768640 is 468670911.

It is a junction number, because it is equal to n+sod(n) for n = 1190768592 and 1190768601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51750 + ... + 71130.

Almost surely, 2^1190768640 is an apocalyptic number.

1190768640 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 1190768640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905095544).

1190768640 is an abundant number, since it is smaller than the sum of its proper divisors (2619422448).

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

1190768640 is an equidigital number, since it uses as much as digits as its factorization.

1190768640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19413 (or 19391 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1190768640 is about 34507.5157031044. The cubic root of 1190768640 is about 1059.9266117460.

The spelling of 1190768640 in words is "one billion, one hundred ninety million, seven hundred sixty-eight thousand, six hundred forty".