40484040040 has 32 divisors (see below), whose sum is σ = 96447273480. Its totient is φ = 15241050112.

The previous prime is 40484040011. The next prime is 40484040041. The reversal of 40484040040 is 4004048404.

It can be written as a sum of positive squares in 4 ways, for example, as 40255607044 + 228432996 = 200638^2 + 15114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40484039990 and 40484040008.

It is not an unprimeable number, because it can be changed into a prime (40484040041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29766997 + ... + 29768356.

Almost surely, 2^40484040040 is an apocalyptic number.

40484040040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40484040040 is an abundant number, since it is smaller than the sum of its proper divisors (55963233440).

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

40484040040 is a wasteful number, since it uses less digits than its factorization.

40484040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59535381 (or 59535377 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 40484040040 its reverse (4004048404), we get a palindrome (44488088444).

The spelling of 40484040040 in words is "forty billion, four hundred eighty-four million, forty thousand, forty".