40232340040 has 16 divisors (see below), whose sum is σ = 90522765180. Its totient is φ = 16092936000.

The previous prime is 40232340019. The next prime is 40232340053. The reversal of 40232340040 is 4004323204.

It can be written as a sum of positive squares in 2 ways, for example, as 39187369764 + 1044970276 = 197958^2 + 32326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40232339993 and 40232340020.

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, 502904211 + ... + 502904290.

Almost surely, 2^40232340040 is an apocalyptic number.

40232340040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40232340040 is an abundant number, since it is smaller than the sum of its proper divisors (50290425140).

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

40232340040 is a wasteful number, since it uses less digits than its factorization.

40232340040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005808512 (or 1005808508 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40232340040 its reverse (4004323204), we get a palindrome (44236663244).

The spelling of 40232340040 in words is "forty billion, two hundred thirty-two million, three hundred forty thousand, forty".