1442215320 has 128 divisors (see below), whose sum is σ = 5325143040. Its totient is φ = 304289280.

The previous prime is 1442215309. The next prime is 1442215321. The reversal of 1442215320 is 235122441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442215321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55116 + ... + 76955.

It is an arithmetic number, because the mean of its divisors is an integer number (41602680).

Almost surely, 2^1442215320 is an apocalyptic number.

1442215320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442215320 is an abundant number, since it is smaller than the sum of its proper divisors (3882927720).

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

1442215320 is a wasteful number, since it uses less digits than its factorization.

1442215320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132105 (or 132101 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1442215320 is about 37976.5101082235. The cubic root of 1442215320 is about 1129.8220201585.

Adding to 1442215320 its reverse (235122441), we get a palindrome (1677337761).

The spelling of 1442215320 in words is "one billion, four hundred forty-two million, two hundred fifteen thousand, three hundred twenty".