1440413522 has 8 divisors (see below), whose sum is σ = 2274337200. Its totient is φ = 682301124.

The previous prime is 1440413473. The next prime is 1440413539. The reversal of 1440413522 is 2253140441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1440413522² = 4149582228720888968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440413491 and 1440413500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18952772 + ... + 18952847.

It is an arithmetic number, because the mean of its divisors is an integer number (284292150).

Almost surely, 2^1440413522 is an apocalyptic number.

1440413522 is a deficient number, since it is larger than the sum of its proper divisors (833923678).

1440413522 is a wasteful number, since it uses less digits than its factorization.

1440413522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37905640.

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

The square root of 1440413522 is about 37952.7801616693. The cubic root of 1440413522 is about 1129.3513185065.

Adding to 1440413522 its reverse (2253140441), we get a palindrome (3693553963).

The spelling of 1440413522 in words is "one billion, four hundred forty million, four hundred thirteen thousand, five hundred twenty-two".