1322409163428 has 48 divisors (see below), whose sum is σ = 3428548643520. Its totient is φ = 440792712000.

The previous prime is 1322409163403. The next prime is 1322409163433. The reversal of 1322409163428 is 8243619042231.

1322409163428 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 4 + 0 + 9 + 1 + 634 + 2 + 8 = 666.

It is a super-2 number, since 2×1322409163428² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5503888 + ... + 5739128.

It is an arithmetic number, because the mean of its divisors is an integer number (71428096740).

Almost surely, 2^{1322409163428} is an apocalyptic number.

1322409163428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1322409163428 is an abundant number, since it is smaller than the sum of its proper divisors (2106139480092).

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

1322409163428 is a wasteful number, since it uses less digits than its factorization.

1322409163428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287305 (or 287297 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 1322409163428 in words is "one trillion, three hundred twenty-two billion, four hundred nine million, one hundred sixty-three thousand, four hundred twenty-eight".