40430440024 has 32 divisors (see below), whose sum is σ = 85935150000. Its totient is φ = 17678086272.

The previous prime is 40430440021. The next prime is 40430440027. The reversal of 40430440024 is 42004403404.

It is an interprime number because it is at equal distance from previous prime (40430440021) and next prime (40430440027).

It is a super-2 number, since 2×40430440024² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40430440021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10228399 + ... + 10232350.

Almost surely, 2^40430440024 is an apocalyptic number.

It is an amenable number.

40430440024 is an abundant number, since it is smaller than the sum of its proper divisors (45504709976).

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

40430440024 is a wasteful number, since it uses less digits than its factorization.

40430440024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460787 (or 20460783 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 40430440024 its reverse (42004403404), we get a palindrome (82434843428).

The spelling of 40430440024 in words is "forty billion, four hundred thirty million, four hundred forty thousand, twenty-four".