1416891220 has 24 divisors (see below), whose sum is σ = 2984061024. Its totient is φ = 565120416.

The previous prime is 1416891211. The next prime is 1416891247. The reversal of 1416891220 is 221986141.

It is a happy number.

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, 95142 + ... + 109021.

It is an arithmetic number, because the mean of its divisors is an integer number (124335876).

Almost surely, 2^1416891220 is an apocalyptic number.

1416891220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1416891220 is an abundant number, since it is smaller than the sum of its proper divisors (1567169804).

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

1416891220 is a wasteful number, since it uses less digits than its factorization.

1416891220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204519 (or 204517 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1416891220 is about 37641.6155338742. The cubic root of 1416891220 is about 1123.1700210967.

The spelling of 1416891220 in words is "one billion, four hundred sixteen million, eight hundred ninety-one thousand, two hundred twenty".