1352644425640 has 32 divisors (see below), whose sum is σ = 3044313175680. Its totient is φ = 540904309312.

The previous prime is 1352644425581. The next prime is 1352644425709. The reversal of 1352644425640 is 465244462531.

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, 4652812 + ... + 4934971.

It is an arithmetic number, because the mean of its divisors is an integer number (95134786740).

Almost surely, 2^{1352644425640} is an apocalyptic number.

1352644425640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352644425640 is an abundant number, since it is smaller than the sum of its proper divisors (1691668750040).

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

1352644425640 is a wasteful number, since it uses less digits than its factorization.

1352644425640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591321 (or 9591317 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 1352644425640 in words is "one trillion, three hundred fifty-two billion, six hundred forty-four million, four hundred twenty-five thousand, six hundred forty".