40424226444 has 60 divisors (see below), whose sum is σ = 120773621584. Its totient is φ = 11549778336.

The previous prime is 40424226419. The next prime is 40424226461. The reversal of 40424226444 is 44462242404.

40424226444 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 4 + 2 + 2 + 644 + 4 = 666.

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 = 40424226399 and 40424226408.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 8909599 + ... + 8914134.

Almost surely, 2^40424226444 is an apocalyptic number.

It is an amenable number.

40424226444 is an abundant number, since it is smaller than the sum of its proper divisors (80349395140).

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

40424226444 is a wasteful number, since it uses less digits than its factorization.

40424226444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17823756 (or 17823745 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 40424226444 its reverse (44462242404), we get a palindrome (84886468848).

The spelling of 40424226444 in words is "forty billion, four hundred twenty-four million, two hundred twenty-six thousand, four hundred forty-four".