1064211580 has 48 divisors (see below), whose sum is σ = 2298280320. Its totient is φ = 413683200.

The previous prime is 1064211571. The next prime is 1064211667. The reversal of 1064211580 is 851124601.

It is a super-2 number, since 2×1064211580² = 2265092574012192800, which contains 22 as substring.

It is a congruent number.

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, 219826 + ... + 224614.

It is an arithmetic number, because the mean of its divisors is an integer number (47880840).

Almost surely, 2^1064211580 is an apocalyptic number.

1064211580 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 1064211580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149140160).

1064211580 is an abundant number, since it is smaller than the sum of its proper divisors (1234068740).

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

1064211580 is a wasteful number, since it uses less digits than its factorization.

1064211580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5108 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1064211580 is about 32622.2558999221. The cubic root of 1064211580 is about 1020.9614093071.

It can be divided in two parts, 10642 and 11580, that added together give a palindrome (22222).

The spelling of 1064211580 in words is "one billion, sixty-four million, two hundred eleven thousand, five hundred eighty".