1340220234042 has 32 divisors (see below), whose sum is σ = 2984699784960. Its totient is φ = 445775188320.

The previous prime is 1340220233999. The next prime is 1340220234053. The reversal of 1340220234042 is 2404320220431.

1340220234042 is a `hidden beast` number, since 1 + 3 + 402 + 20 + 234 + 0 + 4 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1340220233997 and 1340220234015.

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, 26777259 + ... + 26827262.

It is an arithmetic number, because the mean of its divisors is an integer number (93271868280).

Almost surely, 2^{1340220234042} is an apocalyptic number.

1340220234042 is an abundant number, since it is smaller than the sum of its proper divisors (1644479550918).

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

1340220234042 is a wasteful number, since it uses less digits than its factorization.

1340220234042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53604995 (or 53604989 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1340220234042 its reverse (2404320220431), we get a palindrome (3744540454473).

The spelling of 1340220234042 in words is "one trillion, three hundred forty billion, two hundred twenty million, two hundred thirty-four thousand, forty-two".