1428750438748 has 12 divisors (see below), whose sum is σ = 2525068845432. Its totient is φ = 707302197200.

The previous prime is 1428750438719. The next prime is 1428750438767. The reversal of 1428750438748 is 8478340578241.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1768255090 + ... + 1768255897.

It is an arithmetic number, because the mean of its divisors is an integer number (210422403786).

Almost surely, 2^{1428750438748} is an apocalyptic number.

It is an amenable number.

1428750438748 is a deficient number, since it is larger than the sum of its proper divisors (1096318406684).

1428750438748 is a wasteful number, since it uses less digits than its factorization.

1428750438748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536511092 (or 3536511090 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 61.

The spelling of 1428750438748 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifty million, four hundred thirty-eight thousand, seven hundred forty-eight".