42420502034401 has 4 divisors (see below), whose sum is σ = 42421117865904. Its totient is φ = 42419886202900.

The previous prime is 42420502034389. The next prime is 42420502034483. The reversal of 42420502034401 is 10443020502424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42420502034401 - 2¹³ = 42420502026209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42420502034201) 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, 307812415 + ... + 307950196.

It is an arithmetic number, because the mean of its divisors is an integer number (10605279466476).

Almost surely, 2^{42420502034401} is an apocalyptic number.

It is an amenable number.

42420502034401 is a deficient number, since it is larger than the sum of its proper divisors (615831503).

42420502034401 is an equidigital number, since it uses as much as digits as its factorization.

42420502034401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615831502.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 42420502034401 its reverse (10443020502424), we get a palindrome (52863522536825).

The spelling of 42420502034401 in words is "forty-two trillion, four hundred twenty billion, five hundred two million, thirty-four thousand, four hundred one".