1340003030240 has 96 divisors (see below), whose sum is σ = 3621831542784. Its totient is φ = 458944104960.

The previous prime is 1340003030227. The next prime is 1340003030269. The reversal of 1340003030240 is 420303000431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 428945 + ... + 1692335.

It is an arithmetic number, because the mean of its divisors is an integer number (37727411904).

Almost surely, 2^{1340003030240} is an apocalyptic number.

1340003030240 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 1340003030240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810915771392).

1340003030240 is an abundant number, since it is smaller than the sum of its proper divisors (2281828512544).

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

1340003030240 is a wasteful number, since it uses less digits than its factorization.

1340003030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264360 (or 1264352 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1340003030240 its reverse (420303000431), we get a palindrome (1760306030671).

The spelling of 1340003030240 in words is "one trillion, three hundred forty billion, three million, thirty thousand, two hundred forty".