1442797392 has 40 divisors (see below), whose sum is σ = 3740432224. Its totient is φ = 479228544.

The previous prime is 1442797373. The next prime is 1442797393. The reversal of 1442797392 is 2937972441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442797393) 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 7 ways as a sum of consecutive naturals, for example, 39523 + ... + 66690.

Almost surely, 2^1442797392 is an apocalyptic number.

1442797392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442797392 is an abundant number, since it is smaller than the sum of its proper divisors (2297634832).

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

1442797392 is a wasteful number, since it uses less digits than its factorization.

1442797392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106507 (or 106501 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 1442797392 is about 37984.1729145180. The cubic root of 1442797392 is about 1129.9739968434.

The spelling of 1442797392 in words is "one billion, four hundred forty-two million, seven hundred ninety-seven thousand, three hundred ninety-two".