1170648440 has 64 divisors (see below), whose sum is σ = 2875521600. Its totient is φ = 426304512.

The previous prime is 1170648433. The next prime is 1170648491. The reversal of 1170648440 is 448460711.

It is a self number, because there is not a number n which added to its sum of digits gives 1170648440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22541 + ... + 53379.

It is an arithmetic number, because the mean of its divisors is an integer number (44930025).

Almost surely, 2^1170648440 is an apocalyptic number.

1170648440 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 1170648440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437760800).

1170648440 is an abundant number, since it is smaller than the sum of its proper divisors (1704873160).

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

1170648440 is a wasteful number, since it uses less digits than its factorization.

1170648440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30936 (or 30932 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1170648440 is about 34214.7400983845. The cubic root of 1170648440 is about 1053.9228736140.

The spelling of 1170648440 in words is "one billion, one hundred seventy million, six hundred forty-eight thousand, four hundred forty".