1026641880 has 192 divisors, whose sum is σ = 3757777920. Its totient is φ = 240825600.

The previous prime is 1026641879. The next prime is 1026641921. The reversal of 1026641880 is 881466201.

1026641880 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 641 + 8 + 8 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 118579 + ... + 126941.

It is an arithmetic number, because the mean of its divisors is an integer number (19571760).

Almost surely, 2^1026641880 is an apocalyptic number.

1026641880 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 1026641880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878888960).

1026641880 is an abundant number, since it is smaller than the sum of its proper divisors (2731136040).

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

1026641880 is a wasteful number, since it uses less digits than its factorization.

1026641880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422 (or 8415 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1026641880 is about 32041.2527844964. The cubic root of 1026641880 is about 1008.8029080932.

The spelling of 1026641880 in words is "one billion, twenty-six million, six hundred forty-one thousand, eight hundred eighty".