40046606440 has 32 divisors (see below), whose sum is σ = 90130844160. Its totient is φ = 16014024000.

The previous prime is 40046606429. The next prime is 40046606477. The reversal of 40046606440 is 4460664004.

40046606440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40046606396 and 40046606405.

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, 2136 + ... + 283015.

It is an arithmetic number, because the mean of its divisors is an integer number (2816588880).

Almost surely, 2^40046606440 is an apocalyptic number.

40046606440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40046606440 is an abundant number, since it is smaller than the sum of its proper divisors (50084237720).

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

40046606440 is a wasteful number, since it uses less digits than its factorization.

40046606440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288673 (or 288669 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 40046606440 in words is "forty billion, forty-six million, six hundred six thousand, four hundred forty".