1342436522640 has 80 divisors (see below), whose sum is σ = 4194321451008. Its totient is φ = 355164300288.

The previous prime is 1342436522639. The next prime is 1342436522657. The reversal of 1342436522640 is 462256342431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1342436522592 and 1342436522601.

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, 21991117 + ... + 22052076.

Almost surely, 2^{1342436522640} is an apocalyptic number.

1342436522640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342436522640 is an abundant number, since it is smaller than the sum of its proper divisors (2851884928368).

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

1342436522640 is a wasteful number, since it uses less digits than its factorization.

1342436522640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44043336 (or 44043330 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 1342436522640 in words is "one trillion, three hundred forty-two billion, four hundred thirty-six million, five hundred twenty-two thousand, six hundred forty".