34442120421 has 12 divisors (see below), whose sum is σ = 50107643040. Its totient is φ = 22796222760.

The previous prime is 34442120381. The next prime is 34442120441. The reversal of 34442120421 is 12402124443.

34442120421 is a `hidden beast` number, since 3 + 444 + 212 + 0 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 34442120421 - 2¹⁵ = 34442087653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34442120441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13764585 + ... + 13767086.

It is an arithmetic number, because the mean of its divisors is an integer number (4175636920).

Almost surely, 2^34442120421 is an apocalyptic number.

It is an amenable number.

34442120421 is a deficient number, since it is larger than the sum of its proper divisors (15665522619).

34442120421 is a wasteful number, since it uses less digits than its factorization.

34442120421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27531816 (or 27531813 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 34442120421 its reverse (12402124443), we get a palindrome (46844244864).

The spelling of 34442120421 in words is "thirty-four billion, four hundred forty-two million, one hundred twenty thousand, four hundred twenty-one".