1428668202 has 96 divisors (see below), whose sum is σ = 3327625152. Its totient is φ = 407227392.

The previous prime is 1428668183. The next prime is 1428668203. The reversal of 1428668202 is 2028668241.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1428668203) 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, 1154328 + ... + 1155564.

It is an arithmetic number, because the mean of its divisors is an integer number (34662762).

Almost surely, 2^1428668202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428668202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663812576).

1428668202 is an abundant number, since it is smaller than the sum of its proper divisors (1898956950).

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

1428668202 is a wasteful number, since it uses less digits than its factorization.

1428668202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1428668202 is about 37797.7274713706. The cubic root of 1428668202 is about 1126.2733110721.

Adding to 1428668202 its sum of digits (39), we get a palindrome (1428668241).

The spelling of 1428668202 in words is "one billion, four hundred twenty-eight million, six hundred sixty-eight thousand, two hundred two".