1325064334420 has 24 divisors (see below), whose sum is σ = 2782677888648. Its totient is φ = 530017584000.

The previous prime is 1325064334403. The next prime is 1325064334457. The reversal of 1325064334420 is 244334605231.

It can be written as a sum of positive squares in 4 ways, for example, as 266342695056 + 1058721639364 = 516084^2 + 1028942^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1325064334420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921970 + ... + 1870870.

It is an arithmetic number, because the mean of its divisors is an integer number (115944912027).

Almost surely, 2^{1325064334420} is an apocalyptic number.

1325064334420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325064334420 is an abundant number, since it is smaller than the sum of its proper divisors (1457613554228).

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

1325064334420 is a wasteful number, since it uses less digits than its factorization.

1325064334420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018731 (or 1018729 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 1325064334420 its reverse (244334605231), we get a palindrome (1569398939651).

The spelling of 1325064334420 in words is "one trillion, three hundred twenty-five billion, sixty-four million, three hundred thirty-four thousand, four hundred twenty".