1022664545280 has 1408 divisors, whose sum is σ = 4355586293760. Its totient is φ = 222634967040.

The previous prime is 1022664545267. The next prime is 1022664545291. The reversal of 1022664545280 is 825454662201.

1022664545280 is a `hidden beast` number, since 1 + 0 + 2 + 26 + 6 + 4 + 545 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 127 ways as a sum of consecutive naturals, for example, 2189859607 + ... + 2189860073.

Almost surely, 2^{1022664545280} is an apocalyptic number.

1022664545280 is a gapful number since it is divisible by the number (10) 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 1022664545280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177793146880).

1022664545280 is an abundant number, since it is smaller than the sum of its proper divisors (3332921748480).

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

1022664545280 is a wasteful number, since it uses less digits than its factorization.

1022664545280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 1022664545280 in words is "one trillion, twenty-two billion, six hundred sixty-four million, five hundred forty-five thousand, two hundred eighty".