40042022424 has 16 divisors (see below), whose sum is σ = 100105056120. Its totient is φ = 13347340800.

The previous prime is 40042022399. The next prime is 40042022519. The reversal of 40042022424 is 42422024004.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1668417601 = 40042022424 / (4 + 0 + 0 + 4 + 2 + 0 + 2 + 2 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 40042022394 and 40042022403.

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, 834208777 + ... + 834208824.

Almost surely, 2^40042022424 is an apocalyptic number.

It is an amenable number.

40042022424 is an abundant number, since it is smaller than the sum of its proper divisors (60063033696).

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

40042022424 is a wasteful number, since it uses less digits than its factorization.

40042022424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668417610 (or 1668417606 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40042022424 its reverse (42422024004), we get a palindrome (82464046428).

The spelling of 40042022424 in words is "forty billion, forty-two million, twenty-two thousand, four hundred twenty-four".