1430665822728 has 128 divisors (see below), whose sum is σ = 4118634288000. Its totient is φ = 459601309440.

The previous prime is 1430665822727. The next prime is 1430665822759. The reversal of 1430665822728 is 8272285660341.

1430665822728 is a `hidden beast` number, since 1 + 4 + 30 + 6 + 6 + 582 + 2 + 7 + 28 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1430665822727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3217638 + ... + 3635178.

It is an arithmetic number, because the mean of its divisors is an integer number (32176830375).

Almost surely, 2^{1430665822728} is an apocalyptic number.

1430665822728 is a gapful number since it is divisible by the number (18) 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 1430665822728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2059317144000).

1430665822728 is an abundant number, since it is smaller than the sum of its proper divisors (2687968465272).

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

1430665822728 is a wasteful number, since it uses less digits than its factorization.

1430665822728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418132 (or 418122 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 1430665822728 in words is "one trillion, four hundred thirty billion, six hundred sixty-five million, eight hundred twenty-two thousand, seven hundred twenty-eight".