1442520630 has 128 divisors (see below), whose sum is σ = 3962649600. Its totient is φ = 373190400.

The previous prime is 1442520623. The next prime is 1442520637. The reversal of 1442520630 is 360252441.

1442520630 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 5 + 20 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (1442520623) and next prime (1442520637).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1442520594 and 1442520603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442520637) 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 63 ways as a sum of consecutive naturals, for example, 3442561 + ... + 3442979.

It is an arithmetic number, because the mean of its divisors is an integer number (30958200).

Almost surely, 2^1442520630 is an apocalyptic number.

1442520630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442520630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981324800).

1442520630 is an abundant number, since it is smaller than the sum of its proper divisors (2520128970).

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

1442520630 is a wasteful number, since it uses less digits than its factorization.

1442520630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1442520630 is about 37980.5296171604. The cubic root of 1442520630 is about 1129.9017404837.

The spelling of 1442520630 in words is "one billion, four hundred forty-two million, five hundred twenty thousand, six hundred thirty".