1424388992 has 128 divisors (see below), whose sum is σ = 3220197120. Its totient is φ = 623001600.

The previous prime is 1424388859. The next prime is 1424389009. The reversal of 1424388992 is 2998834241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1424388992.

It is a congruent number.

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, 2733692 + ... + 2734212.

It is an arithmetic number, because the mean of its divisors is an integer number (25157790).

Almost surely, 2^1424388992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424388992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610098560).

1424388992 is an abundant number, since it is smaller than the sum of its proper divisors (1795808128).

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

1424388992 is a wasteful number, since it uses less digits than its factorization.

1424388992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 620 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 1424388992 is about 37741.0783099794. The cubic root of 1424388992 is about 1125.1476986657.

The spelling of 1424388992 in words is "one billion, four hundred twenty-four million, three hundred eighty-eight thousand, nine hundred ninety-two".