1418143920 has 40 divisors (see below), whose sum is σ = 4396246896. Its totient is φ = 378171648.

The previous prime is 1418143919. The next prime is 1418143933. The reversal of 1418143920 is 293418141.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1418143920² = 4022264355665932800, which contains 22 as substring.

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, 2954227 + ... + 2954706.

Almost surely, 2^1418143920 is an apocalyptic number.

1418143920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1418143920 is an abundant number, since it is smaller than the sum of its proper divisors (2978102976).

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

1418143920 is a wasteful number, since it uses less digits than its factorization.

1418143920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908949 (or 5908943 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1418143920 is about 37658.2516853876. The cubic root of 1418143920 is about 1123.5009287954.

The spelling of 1418143920 in words is "one billion, four hundred eighteen million, one hundred forty-three thousand, nine hundred twenty".