40656409850208 has 48 divisors (see below), whose sum is σ = 108226217788416. Its totient is φ = 13361261450880.

The previous prime is 40656409850153. The next prime is 40656409850333. The reversal of 40656409850208 is 80205890465604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 2982417616 + ... + 2982431247.

It is an arithmetic number, because the mean of its divisors is an integer number (2254712870592).

Almost surely, 2^{40656409850208} is an apocalyptic number.

40656409850208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40656409850208 is an abundant number, since it is smaller than the sum of its proper divisors (67569807938208).

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

40656409850208 is a wasteful number, since it uses less digits than its factorization.

40656409850208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964848947 (or 5964848939 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 40656409850208 in words is "forty trillion, six hundred fifty-six billion, four hundred nine million, eight hundred fifty thousand, two hundred eight".