44534421 has 16 divisors (see below), whose sum is σ = 67761600. Its totient is φ = 28886544.

The previous prime is 44534389. The next prime is 44534437. The reversal of 44534421 is 12443544.

44534421 = T₁₅₃₃ + T₁₅₃₄ + ... + T₁₅₆₉.

It is a happy number.

44534421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44534421 - 2⁵ = 44534389 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 (44534471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21291 + ... + 23288.

It is an arithmetic number, because the mean of its divisors is an integer number (4235100).

Almost surely, 2^44534421 is an apocalyptic number.

It is an amenable number.

44534421 is a deficient number, since it is larger than the sum of its proper divisors (23227179).

44534421 is a wasteful number, since it uses less digits than its factorization.

44534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44625 (or 44619 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 44534421 is about 6673.4114963787. The cubic root of 44534421 is about 354.4583978293.

Adding to 44534421 its reverse (12443544), we get a palindrome (56977965).

The spelling of 44534421 in words is "forty-four million, five hundred thirty-four thousand, four hundred twenty-one".