1442002646 has 16 divisors (see below), whose sum is σ = 2487174144. Its totient is φ = 614208744.

The previous prime is 1442002643. The next prime is 1442002651. The reversal of 1442002646 is 6462002441.

It is a happy number.

1442002646 is a modest number, since divided by 2646 gives 1442 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442002643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 313670 + ... + 318233.

It is an arithmetic number, because the mean of its divisors is an integer number (155448384).

Almost surely, 2^1442002646 is an apocalyptic number.

1442002646 is a deficient number, since it is larger than the sum of its proper divisors (1045171498).

1442002646 is a wasteful number, since it uses less digits than its factorization.

1442002646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632075.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1442002646 is about 37973.7099320043. The cubic root of 1442002646 is about 1129.7664816230.

The spelling of 1442002646 in words is "one billion, four hundred forty-two million, two thousand, six hundred forty-six".