1442975280 has 80 divisors (see below), whose sum is σ = 4478475264. Its totient is φ = 384341760.

The previous prime is 1442975251. The next prime is 1442975299. The reversal of 1442975280 is 825792441.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234807 + ... + 240873.

Almost surely, 2^1442975280 is an apocalyptic number.

1442975280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442975280 is an abundant number, since it is smaller than the sum of its proper divisors (3035499984).

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

1442975280 is a wasteful number, since it uses less digits than its factorization.

1442975280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074 (or 7068 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1442975280 is about 37986.5144492095. The cubic root of 1442975280 is about 1130.0204345379.

The spelling of 1442975280 in words is "one billion, four hundred forty-two million, nine hundred seventy-five thousand, two hundred eighty".