1442431000 has 64 divisors (see below), whose sum is σ = 3491748000. Its totient is φ = 557065600.

The previous prime is 1442430989. The next prime is 1442431013. The reversal of 1442431000 is 1342441.

It is a super-2 number, since 2×1442431000² = 4161214379522000000, which contains 22 as substring.

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, 4131 + ... + 53869.

Almost surely, 2^1442431000 is an apocalyptic number.

1442431000 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 1442431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745874000).

1442431000 is an abundant number, since it is smaller than the sum of its proper divisors (2049317000).

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

1442431000 is a wasteful number, since it uses less digits than its factorization.

1442431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49789 (or 49775 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1442431000 is about 37979.3496521465. The cubic root of 1442431000 is about 1129.8783381169.

Adding to 1442431000 its reverse (1342441), we get a palindrome (1443773441).

The spelling of 1442431000 in words is "one billion, four hundred forty-two million, four hundred thirty-one thousand".