1340042233402 has 8 divisors (see below), whose sum is σ = 2010264245856. Its totient is φ = 669954151452.

The previous prime is 1340042233363. The next prime is 1340042233403. The reversal of 1340042233402 is 2043322400431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1340042233403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33457608 + ... + 33497635.

It is an arithmetic number, because the mean of its divisors is an integer number (251283030732).

Almost surely, 2^{1340042233402} is an apocalyptic number.

1340042233402 is a deficient number, since it is larger than the sum of its proper divisors (670222012454).

1340042233402 is a wasteful number, since it uses less digits than its factorization.

1340042233402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66965252.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1340042233402 its reverse (2043322400431), we get a palindrome (3383364633833).

The spelling of 1340042233402 in words is "one trillion, three hundred forty billion, forty-two million, two hundred thirty-three thousand, four hundred two".