40444300 has 72 divisors (see below), whose sum is σ = 96462576. Its totient is φ = 14626560.

The previous prime is 40444291. The next prime is 40444301. The reversal of 40444300 is 344404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68607 + ... + 69193.

It is an arithmetic number, because the mean of its divisors is an integer number (1339758).

Almost surely, 2^40444300 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 40444300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48231288).

40444300 is an abundant number, since it is smaller than the sum of its proper divisors (56018276).

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

40444300 is a wasteful number, since it uses less digits than its factorization.

40444300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40444300 is about 6359.5833196838. The cubic root of 40444300 is about 343.2567669985.

Adding to 40444300 its reverse (344404), we get a palindrome (40788704).

The spelling of 40444300 in words is "forty million, four hundred forty-four thousand, three hundred".