1413043440 has 80 divisors (see below), whose sum is σ = 4385210400. Its totient is φ = 376400896.

The previous prime is 1413043427. The next prime is 1413043481. The reversal of 1413043440 is 443403141.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1413043440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263506 + ... + 268814.

It is an arithmetic number, because the mean of its divisors is an integer number (54815130).

Almost surely, 2^1413043440 is an apocalyptic number.

1413043440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1413043440 is an abundant number, since it is smaller than the sum of its proper divisors (2972166960).

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

1413043440 is a wasteful number, since it uses less digits than its factorization.

1413043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6428 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1413043440 is about 37590.4700688885. The cubic root of 1413043440 is about 1122.1523873080.

Adding to 1413043440 its reverse (443403141), we get a palindrome (1856446581).

The spelling of 1413043440 in words is "one billion, four hundred thirteen million, forty-three thousand, four hundred forty".