1442361040 has 40 divisors (see below), whose sum is σ = 3431485728. Its totient is φ = 563525760.

The previous prime is 1442361029. The next prime is 1442361061. The reversal of 1442361040 is 401632441.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1442360996 and 1442361014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206206 + ... + 213085.

Almost surely, 2^1442361040 is an apocalyptic number.

1442361040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442361040 is an abundant number, since it is smaller than the sum of its proper divisors (1989124688).

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

1442361040 is a wasteful number, since it uses less digits than its factorization.

1442361040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419347 (or 419341 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1442361040 is about 37978.4286141488. The cubic root of 1442361040 is about 1129.8600709077.

Adding to 1442361040 its reverse (401632441), we get a palindrome (1843993481).

The spelling of 1442361040 in words is "one billion, four hundred forty-two million, three hundred sixty-one thousand, forty".