40424223044 has 24 divisors (see below), whose sum is σ = 72306651648. Its totient is φ = 19765883520.

The previous prime is 40424223043. The next prime is 40424223061. The reversal of 40424223044 is 44032242404.

It is a super-2 number, since 2×40424223044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40424222998 and 40424223016.

It is not an unprimeable number, because it can be changed into a prime (40424223043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144092 + ... + 318764.

It is an arithmetic number, because the mean of its divisors is an integer number (3012777152).

Almost surely, 2^40424223044 is an apocalyptic number.

It is an amenable number.

40424223044 is a deficient number, since it is larger than the sum of its proper divisors (31882428604).

40424223044 is a wasteful number, since it uses less digits than its factorization.

40424223044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175955 (or 175953 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 40424223044 its reverse (44032242404), we get a palindrome (84456465448).

The spelling of 40424223044 in words is "forty billion, four hundred twenty-four million, two hundred twenty-three thousand, forty-four".