1418864244 has 24 divisors (see below), whose sum is σ = 3783638208. Its totient is φ = 405389760.

The previous prime is 1418864221. The next prime is 1418864287. The reversal of 1418864244 is 4424688141.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1418864196 and 1418864205.

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 7 ways as a sum of consecutive naturals, for example, 8445537 + ... + 8445704.

It is an arithmetic number, because the mean of its divisors is an integer number (157651592).

Almost surely, 2^1418864244 is an apocalyptic number.

1418864244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1418864244 is an abundant number, since it is smaller than the sum of its proper divisors (2364773964).

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

1418864244 is a wasteful number, since it uses less digits than its factorization.

1418864244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16891255 (or 16891253 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 1418864244 is about 37667.8144308905. The cubic root of 1418864244 is about 1123.6911181664.

The spelling of 1418864244 in words is "one billion, four hundred eighteen million, eight hundred sixty-four thousand, two hundred forty-four".