40040240204440 has 96 divisors (see below), whose sum is σ = 109373389924320. Its totient is φ = 12920548073472.

The previous prime is 40040240204411. The next prime is 40040240204441. The reversal of 40040240204440 is 4440204204004.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 40040240204399 and 40040240204408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040240204441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247325409 + ... + 247487248.

It is an arithmetic number, because the mean of its divisors is an integer number (1139306145045).

Almost surely, 2^{40040240204440} is an apocalyptic number.

40040240204440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40040240204440 is an abundant number, since it is smaller than the sum of its proper divisors (69333149719880).

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

40040240204440 is a wasteful number, since it uses less digits than its factorization.

40040240204440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494812709 (or 494812688 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40040240204440 its reverse (4440204204004), we get a palindrome (44480444408444).

The spelling of 40040240204440 in words is "forty trillion, forty billion, two hundred forty million, two hundred four thousand, four hundred forty".