1428417760 has 288 divisors, whose sum is σ = 4452973056. Its totient is φ = 419865600.

The previous prime is 1428417743. The next prime is 1428417769. The reversal of 1428417760 is 677148241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428417769) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20118525 + ... + 20118595.

It is an arithmetic number, because the mean of its divisors is an integer number (15461712).

Almost surely, 2^1428417760 is an apocalyptic number.

1428417760 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 1428417760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2226486528).

1428417760 is an abundant number, since it is smaller than the sum of its proper divisors (3024555296).

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

1428417760 is a wasteful number, since it uses less digits than its factorization.

1428417760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 1428417760 is about 37794.4144021309. The cubic root of 1428417760 is about 1126.2074962516.

The spelling of 1428417760 in words is "one billion, four hundred twenty-eight million, four hundred seventeen thousand, seven hundred sixty".