44576421 has 8 divisors (see below), whose sum is σ = 60409824. Its totient is φ = 29230320.

The previous prime is 44576407. The next prime is 44576429. The reversal of 44576421 is 12467544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44576421 - 2⁷ = 44576293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44576429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121611 + ... + 121976.

It is an arithmetic number, because the mean of its divisors is an integer number (7551228).

Almost surely, 2^44576421 is an apocalyptic number.

It is an amenable number.

44576421 is a deficient number, since it is larger than the sum of its proper divisors (15833403).

44576421 is a wasteful number, since it uses less digits than its factorization.

44576421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243651.

The product of its digits is 26880, while the sum is 33.

The square root of 44576421 is about 6676.5575710841. The cubic root of 44576421 is about 354.5697916293.

It can be divided in two parts, 4457 and 6421, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 44576421 in words is "forty-four million, five hundred seventy-six thousand, four hundred twenty-one".