40440484040 has 64 divisors (see below), whose sum is σ = 99319426560. Its totient is φ = 14697272320.

The previous prime is 40440484031. The next prime is 40440484061. The reversal of 40440484040 is 4048404404.

It is a junction number, because it is equal to n+sod(n) for n = 40440483988 and 40440484006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776912 + ... + 827328.

It is an arithmetic number, because the mean of its divisors is an integer number (1551866040).

Almost surely, 2^40440484040 is an apocalyptic number.

40440484040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40440484040 is an abundant number, since it is smaller than the sum of its proper divisors (58878942520).

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

40440484040 is a wasteful number, since it uses less digits than its factorization.

40440484040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52262 (or 52258 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 40440484040 its reverse (4048404404), we get a palindrome (44488888444).

The spelling of 40440484040 in words is "forty billion, four hundred forty million, four hundred eighty-four thousand, forty".