1413504440 has 64 divisors (see below), whose sum is σ = 3373954560. Its totient is φ = 531118080.

The previous prime is 1413504439. The next prime is 1413504493. The reversal of 1413504440 is 444053141.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 415145 + ... + 418535.

It is an arithmetic number, because the mean of its divisors is an integer number (52718040).

Almost surely, 2^1413504440 is an apocalyptic number.

1413504440 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 1413504440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686977280).

1413504440 is an abundant number, since it is smaller than the sum of its proper divisors (1960450120).

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

1413504440 is a wasteful number, since it uses less digits than its factorization.

1413504440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032 (or 4028 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1413504440 is about 37596.6014421517. The cubic root of 1413504440 is about 1122.2744066763.

Adding to 1413504440 its reverse (444053141), we get a palindrome (1857557581).

The spelling of 1413504440 in words is "one billion, four hundred thirteen million, five hundred four thousand, four hundred forty".