40196354856 has 256 divisors, whose sum is σ = 123195340800. Its totient is φ = 10674809856.

The previous prime is 40196354833. The next prime is 40196354881. The reversal of 40196354856 is 65845369104.

It is a junction number, because it is equal to n+sod(n) for n = 40196354799 and 40196354808.

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 63 ways as a sum of consecutive naturals, for example, 45833490 + ... + 45834366.

It is an arithmetic number, because the mean of its divisors is an integer number (481231800).

Almost surely, 2^40196354856 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 40196354856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61597670400).

40196354856 is an abundant number, since it is smaller than the sum of its proper divisors (82998985944).

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

40196354856 is a wasteful number, since it uses less digits than its factorization.

40196354856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 40196354856 in words is "forty billion, one hundred ninety-six million, three hundred fifty-four thousand, eight hundred fifty-six".