1342447449720 has 128 divisors (see below), whose sum is σ = 4371289251840. Its totient is φ = 327846597120.

The previous prime is 1342447449691. The next prime is 1342447449797. The reversal of 1342447449720 is 279447442431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3189846 + ... + 3586085.

It is an arithmetic number, because the mean of its divisors is an integer number (34150697280).

Almost surely, 2^{1342447449720} is an apocalyptic number.

1342447449720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342447449720 is an abundant number, since it is smaller than the sum of its proper divisors (3028841802120).

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

1342447449720 is a wasteful number, since it uses less digits than its factorization.

1342447449720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776085 (or 6776081 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 51.

The spelling of 1342447449720 in words is "one trillion, three hundred forty-two billion, four hundred forty-seven million, four hundred forty-nine thousand, seven hundred twenty".