40441340440 has 16 divisors (see below), whose sum is σ = 90993016080. Its totient is φ = 16176536160.

The previous prime is 40441340431. The next prime is 40441340453. The reversal of 40441340440 is 4404314404.

40441340440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40441340399 and 40441340408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505516716 + ... + 505516795.

It is an arithmetic number, because the mean of its divisors is an integer number (5687063505).

Almost surely, 2^40441340440 is an apocalyptic number.

40441340440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40441340440 is an abundant number, since it is smaller than the sum of its proper divisors (50551675640).

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

40441340440 is a wasteful number, since it uses less digits than its factorization.

40441340440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011033522 (or 1011033518 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40441340440 its reverse (4404314404), we get a palindrome (44845654844).

The spelling of 40441340440 in words is "forty billion, four hundred forty-one million, three hundred forty thousand, four hundred forty".