42420202141340 has 12 divisors (see below), whose sum is σ = 89082424496856. Its totient is φ = 16968080856528.

The previous prime is 42420202141327. The next prime is 42420202141441. The reversal of 42420202141340 is 4314120202424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060505053514 + ... + 1060505053553.

It is an arithmetic number, because the mean of its divisors is an integer number (7423535374738).

Almost surely, 2^{42420202141340} is an apocalyptic number.

It is an amenable number.

42420202141340 is an abundant number, since it is smaller than the sum of its proper divisors (46662222355516).

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

42420202141340 is a wasteful number, since it uses less digits than its factorization.

42420202141340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121010107076 (or 2121010107074 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42420202141340 its reverse (4314120202424), we get a palindrome (46734322343764).

The spelling of 42420202141340 in words is "forty-two trillion, four hundred twenty billion, two hundred two million, one hundred forty-one thousand, three hundred forty".