142416440 has 16 divisors (see below), whose sum is σ = 320437080. Its totient is φ = 56966560.

The previous prime is 142416413. The next prime is 142416487. The reversal of 142416440 is 44614241.

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 3 ways as a sum of consecutive naturals, for example, 1780166 + ... + 1780245.

Almost surely, 2^142416440 is an apocalyptic number.

142416440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142416440 is an abundant number, since it is smaller than the sum of its proper divisors (178020640).

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

142416440 is a wasteful number, since it uses less digits than its factorization.

142416440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560422 (or 3560418 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 142416440 is about 11933.8359298257. The cubic root of 142416440 is about 522.2198493596.

The spelling of 142416440 in words is "one hundred forty-two million, four hundred sixteen thousand, four hundred forty".