4434410421 has 16 divisors (see below), whose sum is σ = 7507996800. Its totient is φ = 2533948704.

The previous prime is 4434410417. The next prime is 4434410443. The reversal of 4434410421 is 1240144344.

It is not a de Polignac number, because 4434410421 - 2² = 4434410417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4434410411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11731056 + ... + 11731433.

It is an arithmetic number, because the mean of its divisors is an integer number (469249800).

Almost surely, 2^4434410421 is an apocalyptic number.

It is an amenable number.

4434410421 is a deficient number, since it is larger than the sum of its proper divisors (3073586379).

4434410421 is a wasteful number, since it uses less digits than its factorization.

4434410421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23462505 (or 23462499 counting only the distinct ones).

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

The square root of 4434410421 is about 66591.3689677574. The cubic root of 4434410421 is about 1642.9031490953.

Adding to 4434410421 its reverse (1240144344), we get a palindrome (5674554765).

The spelling of 4434410421 in words is "four billion, four hundred thirty-four million, four hundred ten thousand, four hundred twenty-one".