1165670240 has 48 divisors (see below), whose sum is σ = 3147312672. Its totient is φ = 399657984.

The previous prime is 1165670239. The next prime is 1165670249. The reversal of 1165670240 is 420765611.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1165670197 and 1165670206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165670249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519269 + ... + 521508.

It is an arithmetic number, because the mean of its divisors is an integer number (65569014).

Almost surely, 2^1165670240 is an apocalyptic number.

1165670240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165670240 is an abundant number, since it is smaller than the sum of its proper divisors (1981642432).

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

1165670240 is a wasteful number, since it uses less digits than its factorization.

1165670240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040799 (or 1040791 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1165670240 is about 34141.9132445737. The cubic root of 1165670240 is about 1052.4268100004.

The spelling of 1165670240 in words is "one billion, one hundred sixty-five million, six hundred seventy thousand, two hundred forty".