1442950730 has 48 divisors (see below), whose sum is σ = 2858783544. Its totient is φ = 524010240.

The previous prime is 1442950727. The next prime is 1442950783. The reversal of 1442950730 is 370592441.

It can be written as a sum of positive squares in 12 ways, for example, as 196084009 + 1246866721 = 14003^2 + 35311^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96092 + ... + 110088.

Almost surely, 2^1442950730 is an apocalyptic number.

1442950730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442950730 is a deficient number, since it is larger than the sum of its proper divisors (1415832814).

1442950730 is a wasteful number, since it uses less digits than its factorization.

1442950730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091 (or 14078 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1442950730 is about 37986.1913068420. The cubic root of 1442950730 is about 1130.0140259830.

The spelling of 1442950730 in words is "one billion, four hundred forty-two million, nine hundred fifty thousand, seven hundred thirty".