1411011440 has 80 divisors (see below), whose sum is σ = 3526917120. Its totient is φ = 523296000.

The previous prime is 1411011409. The next prime is 1411011457. The reversal of 1411011440 is 441101141.

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

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, 61565 + ... + 81315.

It is an arithmetic number, because the mean of its divisors is an integer number (44086464).

Almost surely, 2^1411011440 is an apocalyptic number.

1411011440 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 1411011440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1763458560).

1411011440 is an abundant number, since it is smaller than the sum of its proper divisors (2115905680).

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

1411011440 is a wasteful number, since it uses less digits than its factorization.

1411011440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19830 (or 19824 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1411011440 is about 37563.4322180495. The cubic root of 1411011440 is about 1121.6142326964.

Adding to 1411011440 its reverse (441101141), we get a palindrome (1852112581).

The spelling of 1411011440 in words is "one billion, four hundred eleven million, eleven thousand, four hundred forty".