44538030 has 48 divisors (see below), whose sum is σ = 117402480. Its totient is φ = 11712384.

The previous prime is 44538029. The next prime is 44538077. The reversal of 44538030 is 3083544.

It is a happy number.

It is a super-2 number, since 2×44538030² = 3967272232561800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44537985 and 44538003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3181 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (2445885).

Almost surely, 2^44538030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44538030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58701240).

44538030 is an abundant number, since it is smaller than the sum of its proper divisors (72864450).

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

44538030 is a wasteful number, since it uses less digits than its factorization.

44538030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865 (or 6862 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 44538030 is about 6673.6818923290. The cubic root of 44538030 is about 354.4679724892.

The spelling of 44538030 in words is "forty-four million, five hundred thirty-eight thousand, thirty".