40880845656 has 192 divisors, whose sum is σ = 132220408320. Its totient is φ = 11156935680.

The previous prime is 40880845619. The next prime is 40880845673. The reversal of 40880845656 is 65654808804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10210551 + ... + 10214553.

It is an arithmetic number, because the mean of its divisors is an integer number (688647960).

Almost surely, 2^40880845656 is an apocalyptic number.

40880845656 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40880845656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66110204160).

40880845656 is an abundant number, since it is smaller than the sum of its proper divisors (91339562664).

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

40880845656 is a wasteful number, since it uses less digits than its factorization.

40880845656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 40880845656 in words is "forty billion, eight hundred eighty million, eight hundred forty-five thousand, six hundred fifty-six".