1064631326 has 48 divisors (see below), whose sum is σ = 1823883264. Its totient is φ = 465234000.

The previous prime is 1064631317. The next prime is 1064631331. The reversal of 1064631326 is 6231364601.

It is a super-2 number, since 2×1064631326² = 2266879720601036552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064631292 and 1064631301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1432511 + ... + 1433253.

It is an arithmetic number, because the mean of its divisors is an integer number (37997568).

Almost surely, 2^1064631326 is an apocalyptic number.

1064631326 is a deficient number, since it is larger than the sum of its proper divisors (759251938).

1064631326 is a wasteful number, since it uses less digits than its factorization.

1064631326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1064631326 is about 32628.6886956862. The cubic root of 1064631326 is about 1021.0956207571.

Adding to 1064631326 its reverse (6231364601), we get a palindrome (7295995927).

The spelling of 1064631326 in words is "one billion, sixty-four million, six hundred thirty-one thousand, three hundred twenty-six".