1342961443880 has 128 divisors (see below), whose sum is σ = 3589395828480. Its totient is φ = 442601625600.

The previous prime is 1342961443829. The next prime is 1342961443891. The reversal of 1342961443880 is 883441692431.

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, 78980 + ... + 1640780.

It is an arithmetic number, because the mean of its divisors is an integer number (28042154910).

Almost surely, 2^{1342961443880} is an apocalyptic number.

1342961443880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1342961443880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1794697914240).

1342961443880 is an abundant number, since it is smaller than the sum of its proper divisors (2246434384600).

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

1342961443880 is a wasteful number, since it uses less digits than its factorization.

1342961443880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561939 (or 1561935 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 1342961443880 in words is "one trillion, three hundred forty-two billion, nine hundred sixty-one million, four hundred forty-three thousand, eight hundred eighty".