1442497772 has 12 divisors (see below), whose sum is σ = 2524883760. Its totient is φ = 721102416.

The previous prime is 1442497751. The next prime is 1442497789. The reversal of 1442497772 is 2777942441.

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, 12728 + ... + 55199.

It is an arithmetic number, because the mean of its divisors is an integer number (210406980).

Almost surely, 2^1442497772 is an apocalyptic number.

It is an amenable number.

1442497772 is a deficient number, since it is larger than the sum of its proper divisors (1082385988).

1442497772 is a wasteful number, since it uses less digits than its factorization.

1442497772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73240 (or 73238 counting only the distinct ones).

The product of its digits is 790272, while the sum is 47.

The square root of 1442497772 is about 37980.2286986269. The cubic root of 1442497772 is about 1129.8957723586.

The spelling of 1442497772 in words is "one billion, four hundred forty-two million, four hundred ninety-seven thousand, seven hundred seventy-two".