44231401040 has 80 divisors (see below), whose sum is σ = 109125046800. Its totient is φ = 16615464960.

The previous prime is 44231401037. The next prime is 44231401051. The reversal of 44231401040 is 4010413244.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4112913424 + 40118487616 = 64132^2 + 200296^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×44231401040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44231400997 and 44231401015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591686 + ... + 662234.

It is an arithmetic number, because the mean of its divisors is an integer number (1364063085).

Almost surely, 2^44231401040 is an apocalyptic number.

44231401040 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 44231401040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54562523400).

44231401040 is an abundant number, since it is smaller than the sum of its proper divisors (64893645760).

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

44231401040 is a wasteful number, since it uses less digits than its factorization.

44231401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71040 (or 71034 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 44231401040 its reverse (4010413244), we get a palindrome (48241814284).

The spelling of 44231401040 in words is "forty-four billion, two hundred thirty-one million, four hundred one thousand, forty".