1340220441402 has 64 divisors (see below), whose sum is σ = 3136802319360. Its totient is φ = 423323006832.

The previous prime is 1340220441389. The next prime is 1340220441433. The reversal of 1340220441402 is 2041440220431.

1340220441402 is a `hidden beast` number, since 1 + 3 + 40 + 2 + 204 + 414 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 4909548 + ... + 5175335.

It is an arithmetic number, because the mean of its divisors is an integer number (49012536240).

Almost surely, 2^{1340220441402} is an apocalyptic number.

1340220441402 is an abundant number, since it is smaller than the sum of its proper divisors (1796581877958).

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

1340220441402 is a wasteful number, since it uses less digits than its factorization.

1340220441402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10085024 (or 10085018 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1340220441402 its reverse (2041440220431), we get a palindrome (3381660661833).

The spelling of 1340220441402 in words is "one trillion, three hundred forty billion, two hundred twenty million, four hundred forty-one thousand, four hundred two".