1340421361320 has 128 divisors (see below), whose sum is σ = 4130807984640. Its totient is φ = 347712491520.

The previous prime is 1340421361277. The next prime is 1340421361463. The reversal of 1340421361320 is 231631240431.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 23196784 + ... + 23254496.

It is an arithmetic number, because the mean of its divisors is an integer number (32271937380).

Almost surely, 2^{1340421361320} is an apocalyptic number.

1340421361320 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 1340421361320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2065403992320).

1340421361320 is an abundant number, since it is smaller than the sum of its proper divisors (2790386623320).

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

1340421361320 is a wasteful number, since it uses less digits than its factorization.

1340421361320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62995 (or 62991 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 1340421361320 in words is "one trillion, three hundred forty billion, four hundred twenty-one million, three hundred sixty-one thousand, three hundred twenty".