1028492235264 has 160 divisors (see below), whose sum is σ = 2955332096640. Its totient is φ = 315966062592.

The previous prime is 1028492235209. The next prime is 1028492235271. The reversal of 1028492235264 is 4625322948201.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 12879492 + ... + 12959100.

It is an arithmetic number, because the mean of its divisors is an integer number (18470825604).

Almost surely, 2^{1028492235264} 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 1028492235264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477666048320).

1028492235264 is an abundant number, since it is smaller than the sum of its proper divisors (1926839861376).

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

1028492235264 is an equidigital number, since it uses as much as digits as its factorization.

1028492235264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80290 (or 80274 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 1028492235264 in words is "one trillion, twenty-eight billion, four hundred ninety-two million, two hundred thirty-five thousand, two hundred sixty-four".