1415201340 has 144 divisors (see below), whose sum is σ = 4629919392. Its totient is φ = 322043904.

The previous prime is 1415201327. The next prime is 1415201341. The reversal of 1415201340 is 431025141.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415201341) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 754644 + ... + 756516.

It is an arithmetic number, because the mean of its divisors is an integer number (32152218).

Almost surely, 2^1415201340 is an apocalyptic number.

1415201340 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 1415201340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2314959696).

1415201340 is an abundant number, since it is smaller than the sum of its proper divisors (3214718052).

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

1415201340 is a wasteful number, since it uses less digits than its factorization.

1415201340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1415201340 is about 37619.1618726414. The cubic root of 1415201340 is about 1122.7233206963.

Adding to 1415201340 its reverse (431025141), we get a palindrome (1846226481).

The spelling of 1415201340 in words is "one billion, four hundred fifteen million, two hundred one thousand, three hundred forty".