34444440 has 80 divisors (see below), whose sum is σ = 115782480. Its totient is φ = 9184320.

The previous prime is 34444427. The next prime is 34444453. The reversal of 34444440 is 4444443.

It is an interprime number because it is at equal distance from previous prime (34444427) and next prime (34444453).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2076 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (1447281).

Almost surely, 2^34444440 is an apocalyptic number.

34444440 is a gapful number since it is divisible by the number (30) 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 34444440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57891240).

34444440 is an abundant number, since it is smaller than the sum of its proper divisors (81338040).

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

34444440 is a wasteful number, since it uses less digits than its factorization.

34444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10654 (or 10641 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 34444440 is about 5868.9385752451. The cubic root of 34444440 is about 325.3666552286.

Adding to 34444440 its reverse (4444443), we get a palindrome (38888883).

The spelling of 34444440 in words is "thirty-four million, four hundred forty-four thousand, four hundred forty".