1442973480 has 128 divisors (see below), whose sum is σ = 4726149120. Its totient is φ = 350300160.

The previous prime is 1442973479. The next prime is 1442973491. The reversal of 1442973480 is 843792441.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107545 + ... + 120215.

It is an arithmetic number, because the mean of its divisors is an integer number (36923040).

Almost surely, 2^1442973480 is an apocalyptic number.

1442973480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442973480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363074560).

1442973480 is an abundant number, since it is smaller than the sum of its proper divisors (3283175640).

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

1442973480 is a wasteful number, since it uses less digits than its factorization.

1442973480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771 (or 12767 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1442973480 is about 37986.4907565835. The cubic root of 1442973480 is about 1130.0199646667.

The spelling of 1442973480 in words is "one billion, four hundred forty-two million, nine hundred seventy-three thousand, four hundred eighty".