1427427696320 has 224 divisors, whose sum is σ = 3569723965440. Its totient is φ = 543027179520.

The previous prime is 1427427696293. The next prime is 1427427696341. The reversal of 1427427696320 is 236967247241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134797586 + ... + 134808174.

Almost surely, 2^{1427427696320} is an apocalyptic number.

1427427696320 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 1427427696320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784861982720).

1427427696320 is an abundant number, since it is smaller than the sum of its proper divisors (2142296269120).

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

1427427696320 is a wasteful number, since it uses less digits than its factorization.

1427427696320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871 (or 10861 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 1427427696320 in words is "one trillion, four hundred twenty-seven billion, four hundred twenty-seven million, six hundred ninety-six thousand, three hundred twenty".