1029832862478 has 128 divisors (see below), whose sum is σ = 2440515889152. Its totient is φ = 283637293056.

The previous prime is 1029832862473. The next prime is 1029832862483. The reversal of 1029832862478 is 8742682389201.

It is an interprime number because it is at equal distance from previous prime (1029832862473) and next prime (1029832862483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029832862473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42724926 + ... + 42749022.

It is an arithmetic number, because the mean of its divisors is an integer number (19066530384).

Almost surely, 2^{1029832862478} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1029832862478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220257944576).

1029832862478 is an abundant number, since it is smaller than the sum of its proper divisors (1410683026674).

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

1029832862478 is a wasteful number, since it uses less digits than its factorization.

1029832862478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24498.

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 1029832862478 in words is "one trillion, twenty-nine billion, eight hundred thirty-two million, eight hundred sixty-two thousand, four hundred seventy-eight".