40441211221240 has 64 divisors (see below), whose sum is σ = 97080698547360. Its totient is φ = 15108705730560.

The previous prime is 40441211221207. The next prime is 40441211221241. The reversal of 40441211221240 is 4212211214404.

It is a junction number, because it is equal to n+sod(n) for n = 40441211221199 and 40441211221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441211221241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226904697 + ... + 227082856.

Almost surely, 2^{40441211221240} is an apocalyptic number.

40441211221240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40441211221240 is an abundant number, since it is smaller than the sum of its proper divisors (56639487326120).

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

40441211221240 is a wasteful number, since it uses less digits than its factorization.

40441211221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453987712 (or 453987708 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 40441211221240 its reverse (4212211214404), we get a palindrome (44653422435644).

The spelling of 40441211221240 in words is "forty trillion, four hundred forty-one billion, two hundred eleven million, two hundred twenty-one thousand, two hundred forty".