1442032540 has 48 divisors (see below), whose sum is σ = 3373685280. Its totient is φ = 514080000.

The previous prime is 1442032519. The next prime is 1442032643. The reversal of 1442032540 is 452302441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88086 + ... + 103165.

It is an arithmetic number, because the mean of its divisors is an integer number (70285110).

Almost surely, 2^1442032540 is an apocalyptic number.

1442032540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442032540 is an abundant number, since it is smaller than the sum of its proper divisors (1931652740).

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

1442032540 is a wasteful number, since it uses less digits than its factorization.

1442032540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191302 (or 191300 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1442032540 is about 37974.1035443893. The cubic root of 1442032540 is about 1129.7742885911.

Adding to 1442032540 its reverse (452302441), we get a palindrome (1894334981).

The spelling of 1442032540 in words is "one billion, four hundred forty-two million, thirty-two thousand, five hundred forty".