1352440605426 has 32 divisors (see below), whose sum is σ = 2790256763328. Its totient is φ = 436804885440.

The previous prime is 1352440605379. The next prime is 1352440605431. The reversal of 1352440605426 is 6245060442531.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27551545 + ... + 27600588.

It is an arithmetic number, because the mean of its divisors is an integer number (87195523854).

Almost surely, 2^{1352440605426} is an apocalyptic number.

1352440605426 is an abundant number, since it is smaller than the sum of its proper divisors (1437816157902).

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

1352440605426 is a wasteful number, since it uses less digits than its factorization.

1352440605426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55152266.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 1352440605426 in words is "one trillion, three hundred fifty-two billion, four hundred forty million, six hundred five thousand, four hundred twenty-six".