44040201355540 has 96 divisors (see below), whose sum is σ = 100394872381440. Its totient is φ = 16131025967616.

The previous prime is 44040201355399. The next prime is 44040201355541. The reversal of 44040201355540 is 4555310204044.

It is a self number, because there is not a number n which added to its sum of digits gives 44040201355540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44040201355541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291788334 + ... + 291939226.

It is an arithmetic number, because the mean of its divisors is an integer number (1045779920640).

Almost surely, 2^{44040201355540} 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 44040201355540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50197436190720).

44040201355540 is an abundant number, since it is smaller than the sum of its proper divisors (56354671025900).

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

44040201355540 is a wasteful number, since it uses less digits than its factorization.

44040201355540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159881 (or 159879 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 44040201355540 its reverse (4555310204044), we get a palindrome (48595511559584).

The spelling of 44040201355540 in words is "forty-four trillion, forty billion, two hundred one million, three hundred fifty-five thousand, five hundred forty".