44537409 has 12 divisors (see below), whose sum is σ = 73522176. Its totient is φ = 25449912.

The previous prime is 44537371. The next prime is 44537413. The reversal of 44537409 is 90473544.

It is not a de Polignac number, because 44537409 - 2⁷ = 44537281 is a prime.

It is a super-3 number, since 3×44537409³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (44537419) 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, 353409 + ... + 353534.

It is an arithmetic number, because the mean of its divisors is an integer number (6126848).

Almost surely, 2^44537409 is an apocalyptic number.

It is an amenable number.

44537409 is a deficient number, since it is larger than the sum of its proper divisors (28984767).

44537409 is a wasteful number, since it uses less digits than its factorization.

44537409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706956 (or 706953 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 44537409 is about 6673.6353661254. The cubic root of 44537409 is about 354.4663250160.

The spelling of 44537409 in words is "forty-four million, five hundred thirty-seven thousand, four hundred nine".