1064202686404 has 81 divisors (see below), whose sum is σ = 2217243933261. Its totient is φ = 446394817440.

The previous prime is 1064202686383. The next prime is 1064202686413. The reversal of 1064202686404 is 4046862024601.

The square root of 1064202686404 is 1031602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 157426432900 + 906776253504 = 396770^2 + 952248^2 .

It is a super-2 number, since 2×1064202686404² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 295036369 + ... + 295039975.

Almost surely, 2^{1064202686404} is an apocalyptic number.

1064202686404 is the 1031602-nd square number.

It is an amenable number.

1064202686404 is an abundant number, since it is smaller than the sum of its proper divisors (1153041246857).

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

1064202686404 is an equidigital number, since it uses as much as digits as its factorization.

1064202686404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 1064202686404 in words is "one trillion, sixty-four billion, two hundred two million, six hundred eighty-six thousand, four hundred four".