40231420024 has 16 divisors (see below), whose sum is σ = 75455161200. Its totient is φ = 20110043712.

The previous prime is 40231419941. The next prime is 40231420043. The reversal of 40231420024 is 42002413204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40231419977 and 40231420004.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 678037 + ... + 734980.

It is an arithmetic number, because the mean of its divisors is an integer number (4715947575).

Almost surely, 2^40231420024 is an apocalyptic number.

It is an amenable number.

40231420024 is a deficient number, since it is larger than the sum of its proper divisors (35223741176).

40231420024 is a wasteful number, since it uses less digits than its factorization.

40231420024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416582 (or 1416578 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40231420024 its reverse (42002413204), we get a palindrome (82233833228).

The spelling of 40231420024 in words is "forty billion, two hundred thirty-one million, four hundred twenty thousand, twenty-four".