1240342220402 has 8 divisors (see below), whose sum is σ = 1860783030000. Its totient is φ = 620081210404.

The previous prime is 1240342220401. The next prime is 1240342220417. The reversal of 1240342220402 is 2040222430421.

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 (1240342220401) 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, 44932652 + ... + 44960247.

It is an arithmetic number, because the mean of its divisors is an integer number (232597878750).

Almost surely, 2^{1240342220402} is an apocalyptic number.

1240342220402 is a deficient number, since it is larger than the sum of its proper divisors (620440809598).

1240342220402 is an equidigital number, since it uses as much as digits as its factorization.

1240342220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89899800.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 1240342220402 its reverse (2040222430421), we get a palindrome (3280564650823).

The spelling of 1240342220402 in words is "one trillion, two hundred forty billion, three hundred forty-two million, two hundred twenty thousand, four hundred two".