1428012909036 has 144 divisors (see below), whose sum is σ = 4205729941504. Its totient is φ = 400110720768.

The previous prime is 1428012908989. The next prime is 1428012909061. The reversal of 1428012909036 is 6309092108241.

It is a junction number, because it is equal to n+sod(n) for n = 1428012908982 and 1428012909000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3575496 + ... + 3954768.

Almost surely, 2^{1428012909036} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428012909036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2102864970752).

1428012909036 is an abundant number, since it is smaller than the sum of its proper divisors (2777717032468).

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

1428012909036 is a wasteful number, since it uses less digits than its factorization.

1428012909036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379580 (or 379575 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 1428012909036 in words is "one trillion, four hundred twenty-eight billion, twelve million, nine hundred nine thousand, thirty-six".