44134420 has 48 divisors (see below), whose sum is σ = 102368448. Its totient is φ = 15848960.

The previous prime is 44134411. The next prime is 44134423. The reversal of 44134420 is 2443144.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 44134391 and 44134400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44134423) 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, 17052 + ... + 19468.

It is an arithmetic number, because the mean of its divisors is an integer number (2132676).

Almost surely, 2^44134420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44134420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51184224).

44134420 is an abundant number, since it is smaller than the sum of its proper divisors (58234028).

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

44134420 is a wasteful number, since it uses less digits than its factorization.

44134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 44134420 is about 6643.3741427079. The cubic root of 44134420 is about 353.3939751934.

Adding to 44134420 its reverse (2443144), we get a palindrome (46577564).

The spelling of 44134420 in words is "forty-four million, one hundred thirty-four thousand, four hundred twenty".