40405610060 has 24 divisors (see below), whose sum is σ = 84878357760. Its totient is φ = 16157181824.

The previous prime is 40405610039. The next prime is 40405610117. The reversal of 40405610060 is 6001650404.

It is a happy number.

It is a super-2 number, since 2×40405610060² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 250604 + ... + 378963.

It is an arithmetic number, because the mean of its divisors is an integer number (3536598240).

Almost surely, 2^40405610060 is an apocalyptic number.

It is an amenable number.

40405610060 is an abundant number, since it is smaller than the sum of its proper divisors (44472747700).

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

40405610060 is a wasteful number, since it uses less digits than its factorization.

40405610060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632785 (or 632783 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 40405610060 in words is "forty billion, four hundred five million, six hundred ten thousand, sixty".