44569440 has 240 divisors, whose sum is σ = 166486320. Its totient is φ = 11197440.

The previous prime is 44569409. The next prime is 44569453. The reversal of 44569440 is 4496544.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44569395 and 44569404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 246150 + ... + 246330.

It is an arithmetic number, because the mean of its divisors is an integer number (693693).

Almost surely, 2^44569440 is an apocalyptic number.

44569440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44569440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83243160).

44569440 is an abundant number, since it is smaller than the sum of its proper divisors (121916880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44569440 is a wasteful number, since it uses less digits than its factorization.

44569440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 44569440 is about 6676.0347512577. The cubic root of 44569440 is about 354.5512812383.

The spelling of 44569440 in words is "forty-four million, five hundred sixty-nine thousand, four hundred forty".