1442005420 has 24 divisors (see below), whose sum is σ = 3029451264. Its totient is φ = 576566016.

The previous prime is 1442005391. The next prime is 1442005507. The reversal of 1442005420 is 245002441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1442005391 and 1442005400.

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, 40324 + ... + 67156.

It is an arithmetic number, because the mean of its divisors is an integer number (126227136).

Almost surely, 2^1442005420 is an apocalyptic number.

1442005420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442005420 is an abundant number, since it is smaller than the sum of its proper divisors (1587445844).

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

1442005420 is a wasteful number, since it uses less digits than its factorization.

1442005420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29529 (or 29527 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1442005420 is about 37973.7464572565. The cubic root of 1442005420 is about 1129.7672060716.

Adding to 1442005420 its reverse (245002441), we get a palindrome (1687007861).

The spelling of 1442005420 in words is "one billion, four hundred forty-two million, five thousand, four hundred twenty".