1195364640 has 96 divisors (see below), whose sum is σ = 3795240960. Its totient is φ = 316237824.

The previous prime is 1195364633. The next prime is 1195364641. The reversal of 1195364640 is 464635911.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1195364641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51156 + ... + 70764.

It is an arithmetic number, because the mean of its divisors is an integer number (39533760).

Almost surely, 2^1195364640 is an apocalyptic number.

1195364640 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 1195364640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897620480).

1195364640 is an abundant number, since it is smaller than the sum of its proper divisors (2599876320).

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

1195364640 is a wasteful number, since it uses less digits than its factorization.

1195364640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19754 (or 19746 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1195364640 is about 34574.0457568969. The cubic root of 1195364640 is about 1061.2885244221.

The spelling of 1195364640 in words is "one billion, one hundred ninety-five million, three hundred sixty-four thousand, six hundred forty".