40022420424444 has 48 divisors (see below), whose sum is σ = 103800679037440. Its totient is φ = 13335812025840.

The previous prime is 40022420424377. The next prime is 40022420424589. The reversal of 40022420424444 is 44442402422004.

40022420424444 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 2 + 4 + 204 + 2 + 4 + 444 = 666.

It is a super-2 number, since 2×40022420424444² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40022420424399 and 40022420424408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69082174 + ... + 69659109.

Almost surely, 2^{40022420424444} is an apocalyptic number.

It is an amenable number.

40022420424444 is an abundant number, since it is smaller than the sum of its proper divisors (63778258612996).

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

40022420424444 is a wasteful number, since it uses less digits than its factorization.

40022420424444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138743967 (or 138743959 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 40022420424444 its reverse (44442402422004), we get a palindrome (84464822846448).

The spelling of 40022420424444 in words is "forty trillion, twenty-two billion, four hundred twenty million, four hundred twenty-four thousand, four hundred forty-four".