1164367440 has 160 divisors (see below), whose sum is σ = 4140211200. Its totient is φ = 300464640.

The previous prime is 1164367423. The next prime is 1164367453. The reversal of 1164367440 is 447634611.

1164367440 is a `hidden beast` number, since 1 + 1 + 643 + 6 + 7 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1164367395 and 1164367404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58266 + ... + 75654.

It is an arithmetic number, because the mean of its divisors is an integer number (25876320).

Almost surely, 2^1164367440 is an apocalyptic number.

1164367440 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 1164367440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070105600).

1164367440 is an abundant number, since it is smaller than the sum of its proper divisors (2975843760).

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

1164367440 is a wasteful number, since it uses less digits than its factorization.

1164367440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442 (or 17430 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1164367440 is about 34122.8287221326. The cubic root of 1164367440 is about 1052.0345856480.

The spelling of 1164367440 in words is "one billion, one hundred sixty-four million, three hundred sixty-seven thousand, four hundred forty".