1413726640 has 40 divisors (see below), whose sum is σ = 3288963600. Its totient is φ = 565138176.

The previous prime is 1413726581. The next prime is 1413726649. The reversal of 1413726640 is 466273141.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1413726596 and 1413726605.

It is not an unprimeable number, because it can be changed into a prime (1413726649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151387 + ... + 160453.

It is an arithmetic number, because the mean of its divisors is an integer number (82224090).

Almost surely, 2^1413726640 is an apocalyptic number.

1413726640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1413726640 is an abundant number, since it is smaller than the sum of its proper divisors (1875236960).

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

1413726640 is a wasteful number, since it uses less digits than its factorization.

1413726640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11029 (or 11023 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1413726640 is about 37599.5563803617. The cubic root of 1413726640 is about 1122.3332100071. Note that the first 3 decimals are identical.

Adding to 1413726640 its reverse (466273141), we get a palindrome (1879999781).

The spelling of 1413726640 in words is "one billion, four hundred thirteen million, seven hundred twenty-six thousand, six hundred forty".