1436441340 has 96 divisors (see below), whose sum is σ = 4184631360. Its totient is φ = 367718400.

The previous prime is 1436441329. The next prime is 1436441353. The reversal of 1436441340 is 431446341.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1436441298 and 1436441307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312660 + ... + 317220.

It is an arithmetic number, because the mean of its divisors is an integer number (43589910).

Almost surely, 2^1436441340 is an apocalyptic number.

1436441340 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 1436441340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092315680).

1436441340 is an abundant number, since it is smaller than the sum of its proper divisors (2748190020).

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

1436441340 is a wasteful number, since it uses less digits than its factorization.

1436441340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1436441340 is about 37900.4134542092. The cubic root of 1436441340 is about 1128.3122375152.

Adding to 1436441340 its reverse (431446341), we get a palindrome (1867887681).

The spelling of 1436441340 in words is "one billion, four hundred thirty-six million, four hundred forty-one thousand, three hundred forty".