1442963380 has 12 divisors (see below), whose sum is σ = 3030223140. Its totient is φ = 577185344.

The previous prime is 1442963377. The next prime is 1442963419. The reversal of 1442963380 is 833692441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 945316516 + 497646864 = 30746^2 + 22308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36074065 + ... + 36074104.

It is an arithmetic number, because the mean of its divisors is an integer number (252518595).

Almost surely, 2^1442963380 is an apocalyptic number.

1442963380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442963380 is an abundant number, since it is smaller than the sum of its proper divisors (1587259760).

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

1442963380 is a wasteful number, since it uses less digits than its factorization.

1442963380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72148178 (or 72148176 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 1442963380 is about 37986.3578143522. The cubic root of 1442963380 is about 1130.0173281599.

The spelling of 1442963380 in words is "one billion, four hundred forty-two million, nine hundred sixty-three thousand, three hundred eighty".