40223204244440 has 64 divisors (see below), whose sum is σ = 103436509550400. Its totient is φ = 13790091161088.

The previous prime is 40223204244413. The next prime is 40223204244449. The reversal of 40223204244440 is 4444240232204.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 40223204244440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223204244449) 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, 1614566 + ... + 9113354.

It is an arithmetic number, because the mean of its divisors is an integer number (1616195461725).

Almost surely, 2^{40223204244440} is an apocalyptic number.

40223204244440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40223204244440 is an abundant number, since it is smaller than the sum of its proper divisors (63213305305960).

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

40223204244440 is a wasteful number, since it uses less digits than its factorization.

40223204244440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7517964 (or 7517960 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 40223204244440 its reverse (4444240232204), we get a palindrome (44667444476644).

The spelling of 40223204244440 in words is "forty trillion, two hundred twenty-three billion, two hundred four million, two hundred forty-four thousand, four hundred forty".