1235481356928 has 512 divisors, whose sum is σ = 4221542707200. Its totient is φ = 311167549440.

The previous prime is 1235481356881. The next prime is 1235481356981. The reversal of 1235481356928 is 8296531845321.

Its product of digits (12441600) is a multiple of the sum of its prime factors (2560).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 876849088 + ... + 876850496.

It is an arithmetic number, because the mean of its divisors is an integer number (8245200600).

Almost surely, 2^{1235481356928} 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 1235481356928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110771353600).

1235481356928 is an abundant number, since it is smaller than the sum of its proper divisors (2986061350272).

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

1235481356928 is a wasteful number, since it uses less digits than its factorization.

1235481356928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2548 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 57.

The spelling of 1235481356928 in words is "one trillion, two hundred thirty-five billion, four hundred eighty-one million, three hundred fifty-six thousand, nine hundred twenty-eight".