40224044220224 has 28 divisors (see below), whose sum is σ = 79819819706244. Its totient is φ = 20111963664384.

The previous prime is 40224044220109. The next prime is 40224044220307. The reversal of 40224044220224 is 42202244042204.

It can be written as a sum of positive squares in 2 ways, for example, as 23410501633600 + 16813542586624 = 4838440^2 + 4100432^2 .

It is a super-2 number, since 2×40224044220224² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 28752722 + ... + 30119214.

Almost surely, 2^{40224044220224} is an apocalyptic number.

It is an amenable number.

40224044220224 is a deficient number, since it is larger than the sum of its proper divisors (39595775486020).

40224044220224 is a wasteful number, since it uses less digits than its factorization.

40224044220224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826442 (or 1826432 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40224044220224 its reverse (42202244042204), we get a palindrome (82426288262428).

The spelling of 40224044220224 in words is "forty trillion, two hundred twenty-four billion, forty-four million, two hundred twenty thousand, two hundred twenty-four".