1428420011384 has 32 divisors (see below), whose sum is σ = 2836090136880. Its totient is φ = 672136902144.

The previous prime is 1428420011341. The next prime is 1428420011387. The reversal of 1428420011384 is 4831100248241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428420011387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053779 + ... + 1991805.

Almost surely, 2^{1428420011384} is an apocalyptic number.

It is an amenable number.

1428420011384 is a deficient number, since it is larger than the sum of its proper divisors (1407670125496).

1428420011384 is a wasteful number, since it uses less digits than its factorization.

1428420011384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949247 (or 949243 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 1428420011384 in words is "one trillion, four hundred twenty-eight billion, four hundred twenty million, eleven thousand, three hundred eighty-four".