40220400222424 has 8 divisors (see below), whose sum is σ = 75413250417060. Its totient is φ = 20110200111208.

The previous prime is 40220400222367. The next prime is 40220400222433. The reversal of 40220400222424 is 42422200402204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40220400222392 and 40220400222401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513775013894 + ... + 2513775013909.

Almost surely, 2^{40220400222424} is an apocalyptic number.

It is an amenable number.

40220400222424 is a deficient number, since it is larger than the sum of its proper divisors (35192850194636).

40220400222424 is a wasteful number, since it uses less digits than its factorization.

40220400222424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027550027809 (or 5027550027805 counting only the distinct ones).

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

Adding to 40220400222424 its reverse (42422200402204), we get a palindrome (82642600624628).

The spelling of 40220400222424 in words is "forty trillion, two hundred twenty billion, four hundred million, two hundred twenty-two thousand, four hundred twenty-four".