40043430324 has 24 divisors (see below), whose sum is σ = 103816301120. Its totient is φ = 13347810072.

The previous prime is 40043430299. The next prime is 40043430359. The reversal of 40043430324 is 42303434004.

It is a super-2 number, since 2×40043430324² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185386144 + ... + 185386359.

Almost surely, 2^40043430324 is an apocalyptic number.

It is an amenable number.

40043430324 is an abundant number, since it is smaller than the sum of its proper divisors (63772870796).

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

40043430324 is a wasteful number, since it uses less digits than its factorization.

40043430324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370772516 (or 370772508 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 40043430324 its reverse (42303434004), we get a palindrome (82346864328).

The spelling of 40043430324 in words is "forty billion, forty-three million, four hundred thirty thousand, three hundred twenty-four".