1442405460 has 48 divisors (see below), whose sum is σ = 4276310976. Its totient is φ = 362015232.

The previous prime is 1442405453. The next prime is 1442405527. The reversal of 1442405460 is 645042441.

It is a happy number.

It is a super-2 number, since 2×1442405460² = 4161067022075623200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 706042 + ... + 708081.

It is an arithmetic number, because the mean of its divisors is an integer number (89089812).

Almost surely, 2^1442405460 is an apocalyptic number.

1442405460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442405460 is an abundant number, since it is smaller than the sum of its proper divisors (2833905516).

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

1442405460 is a wasteful number, since it uses less digits than its factorization.

1442405460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414152 (or 1414150 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 1442405460 is about 37979.0134153061. The cubic root of 1442405460 is about 1129.8716694529.

The spelling of 1442405460 in words is "one billion, four hundred forty-two million, four hundred five thousand, four hundred sixty".