40444437700 has 36 divisors (see below), whose sum is σ = 89905034772. Its totient is φ = 15783193600.

The previous prime is 40444437679. The next prime is 40444437703. The reversal of 40444437700 is 773444404.

It can be written as a sum of positive squares in 6 ways, for example, as 19618484356 + 20825953344 = 140066^2 + 144312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40444437700.

It is not an unprimeable number, because it can be changed into a prime (40444437703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4928149 + ... + 4936348.

It is an arithmetic number, because the mean of its divisors is an integer number (2497362077).

Almost surely, 2^40444437700 is an apocalyptic number.

It is an amenable number.

40444437700 is an abundant number, since it is smaller than the sum of its proper divisors (49460597072).

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

40444437700 is a wasteful number, since it uses less digits than its factorization.

40444437700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9864552 (or 9864545 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 37.

The spelling of 40444437700 in words is "forty billion, four hundred forty-four million, four hundred thirty-seven thousand, seven hundred".