1340619432880 has 640 divisors, whose sum is σ = 4327823001600. Its totient is φ = 373696561152.

The previous prime is 1340619432857. The next prime is 1340619432923. The reversal of 1340619432880 is 882349160431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 195166086 + ... + 195172954.

It is an arithmetic number, because the mean of its divisors is an integer number (6762223440).

Almost surely, 2^{1340619432880} is an apocalyptic number.

1340619432880 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 1340619432880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163911500800).

1340619432880 is an abundant number, since it is smaller than the sum of its proper divisors (2987203568720).

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

1340619432880 is a wasteful number, since it uses less digits than its factorization.

1340619432880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021 (or 7015 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 1340619432880 in words is "one trillion, three hundred forty billion, six hundred nineteen million, four hundred thirty-two thousand, eight hundred eighty".