1365448812 has 96 divisors (see below), whose sum is σ = 3935027712. Its totient is φ = 358857216.

The previous prime is 1365448793. The next prime is 1365448829. The reversal of 1365448812 is 2188445631.

It is a happy number.

It is a super-2 number, since 2×1365448812² = 3728900916384422688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333208 + ... + 337280.

It is an arithmetic number, because the mean of its divisors is an integer number (40989872).

Almost surely, 2^1365448812 is an apocalyptic number.

1365448812 is a gapful number since it is divisible by the number (12) 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 1365448812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967513856).

1365448812 is an abundant number, since it is smaller than the sum of its proper divisors (2569578900).

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

1365448812 is a wasteful number, since it uses less digits than its factorization.

1365448812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407 (or 4405 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 1365448812 is about 36951.9798116420. The cubic root of 1365448812 is about 1109.4093148119.

The spelling of 1365448812 in words is "one billion, three hundred sixty-five million, four hundred forty-eight thousand, eight hundred twelve".