1190395264 has 64 divisors (see below), whose sum is σ = 2430019440. Its totient is φ = 580642816.

The previous prime is 1190395259. The next prime is 1190395279. The reversal of 1190395264 is 4625930911.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539582 + ... + 1540354.

Almost surely, 2^1190395264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1190395264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215009720).

1190395264 is an abundant number, since it is smaller than the sum of its proper divisors (1239624176).

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

1190395264 is an equidigital number, since it uses as much as digits as its factorization.

1190395264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1190395264 is about 34502.1052111317. The cubic root of 1190395264 is about 1059.8158170553.

The spelling of 1190395264 in words is "one billion, one hundred ninety million, three hundred ninety-five thousand, two hundred sixty-four".