40355560404 has 144 divisors (see below), whose sum is σ = 106715451024. Its totient is φ = 12849408000.

The previous prime is 40355560379. The next prime is 40355560411. The reversal of 40355560404 is 40406555304.

40355560404 is a `hidden beast` number, since 4 + 0 + 3 + 55 + 560 + 40 + 4 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 14837904 + 40340722500 = 3852^2 + 200850^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11753472 + ... + 11756904.

It is an arithmetic number, because the mean of its divisors is an integer number (741079521).

Almost surely, 2^40355560404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40355560404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53357725512).

40355560404 is an abundant number, since it is smaller than the sum of its proper divisors (66359890620).

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

40355560404 is a wasteful number, since it uses less digits than its factorization.

40355560404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 40355560404 in words is "forty billion, three hundred fifty-five million, five hundred sixty thousand, four hundred four".