1029236201856 has 160 divisors (see below), whose sum is σ = 3078544542480. Its totient is φ = 341336540160.

The previous prime is 1029236201839. The next prime is 1029236201879. The reversal of 1029236201856 is 6581026329201.

1029236201856 is a `hidden beast` number, since 1 + 0 + 2 + 9 + 2 + 3 + 620 + 18 + 5 + 6 = 666.

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 19 ways as a sum of consecutive naturals, for example, 1790541 + ... + 2294451.

Almost surely, 2^{1029236201856} is an apocalyptic number.

1029236201856 is a gapful number since it is divisible by the number (16) 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 1029236201856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539272271240).

1029236201856 is an abundant number, since it is smaller than the sum of its proper divisors (2049308340624).

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

1029236201856 is an equidigital number, since it uses as much as digits as its factorization.

1029236201856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504134 (or 504113 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 1029236201856 in words is "one trillion, twenty-nine billion, two hundred thirty-six million, two hundred one thousand, eight hundred fifty-six".