40480844840 has 32 divisors (see below), whose sum is σ = 91392787080. Its totient is φ = 16137069312.

The previous prime is 40480844821. The next prime is 40480844857. The reversal of 40480844840 is 4844808404.

It can be written as a sum of positive squares in 4 ways, for example, as 39973604356 + 507240484 = 199934^2 + 22522^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40480844791 and 40480844800.

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, 1715279 + ... + 1738718.

Almost surely, 2^40480844840 is an apocalyptic number.

40480844840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40480844840 is an abundant number, since it is smaller than the sum of its proper divisors (50911942240).

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

40480844840 is a wasteful number, since it uses less digits than its factorization.

40480844840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454301 (or 3454297 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 40480844840 in words is "forty billion, four hundred eighty million, eight hundred forty-four thousand, eight hundred forty".