1428700416 has 144 divisors (see below), whose sum is σ = 4467529920. Its totient is φ = 399605760.

The previous prime is 1428700397. The next prime is 1428700439. The reversal of 1428700416 is 6140078241.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103320 + ... + 116328.

Almost surely, 2^1428700416 is an apocalyptic number.

1428700416 is a gapful number since it is divisible by the number (16) 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 1428700416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233764960).

1428700416 is an abundant number, since it is smaller than the sum of its proper divisors (3038829504).

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

1428700416 is a wasteful number, since it uses less digits than its factorization.

1428700416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052 (or 13038 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1428700416 is about 37798.1536056988. The cubic root of 1428700416 is about 1126.2817761810.

Adding to 1428700416 its reverse (6140078241), we get a palindrome (7568778657).

The spelling of 1428700416 in words is "one billion, four hundred twenty-eight million, seven hundred thousand, four hundred sixteen".