1418389446 has 16 divisors (see below), whose sum is σ = 2883284208. Its totient is φ = 465045600.

The previous prime is 1418389433. The next prime is 1418389457. The reversal of 1418389446 is 6449838141.

It is a junction number, because it is equal to n+sod(n) for n = 1418389395 and 1418389404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937325 + ... + 1938056.

It is an arithmetic number, because the mean of its divisors is an integer number (180205263).

Almost surely, 2^1418389446 is an apocalyptic number.

1418389446 is an abundant number, since it is smaller than the sum of its proper divisors (1464894762).

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

1418389446 is a wasteful number, since it uses less digits than its factorization.

1418389446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875447.

The product of its digits is 663552, while the sum is 48.

The square root of 1418389446 is about 37661.5114672792. The cubic root of 1418389446 is about 1123.5657630169.

The spelling of 1418389446 in words is "one billion, four hundred eighteen million, three hundred eighty-nine thousand, four hundred forty-six".