40024442424 has 16 divisors (see below), whose sum is σ = 100061106120. Its totient is φ = 13341480800.

The previous prime is 40024442401. The next prime is 40024442443. The reversal of 40024442424 is 42424442004.

It is a junction number, because it is equal to n+sod(n) for n = 40024442391 and 40024442400.

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, 833842527 + ... + 833842574.

Almost surely, 2^40024442424 is an apocalyptic number.

It is an amenable number.

40024442424 is an abundant number, since it is smaller than the sum of its proper divisors (60036663696).

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

40024442424 is a wasteful number, since it uses less digits than its factorization.

40024442424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667685110 (or 1667685106 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 40024442424 its reverse (42424442004), we get a palindrome (82448884428).

The spelling of 40024442424 in words is "forty billion, twenty-four million, four hundred forty-two thousand, four hundred twenty-four".