1421842160 has 80 divisors (see below), whose sum is σ = 3435315840. Its totient is φ = 546631680.

The previous prime is 1421842159. The next prime is 1421842211. The reversal of 1421842160 is 612481241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1421842160³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557849 + ... + 560391.

It is an arithmetic number, because the mean of its divisors is an integer number (42941448).

Almost surely, 2^1421842160 is an apocalyptic number.

1421842160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421842160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717657920).

1421842160 is an abundant number, since it is smaller than the sum of its proper divisors (2013473680).

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

1421842160 is a wasteful number, since it uses less digits than its factorization.

1421842160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1421842160 is about 37707.3223658217. The cubic root of 1421842160 is about 1124.4767041154.

The spelling of 1421842160 in words is "one billion, four hundred twenty-one million, eight hundred forty-two thousand, one hundred sixty".