40918751161860 has 288 divisors, whose sum is σ = 136330186672512. Its totient is φ = 9089803407360.

The previous prime is 40918751161811. The next prime is 40918751161877. The reversal of 40918751161860 is 6816115781904.

It is a self number, because there is not a number n which added to its sum of digits gives 40918751161860.

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 95 ways as a sum of consecutive naturals, for example, 13942102 + ... + 16619858.

It is an arithmetic number, because the mean of its divisors is an integer number (473368703724).

Almost surely, 2^{40918751161860} 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 40918751161860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68165093336256).

40918751161860 is an abundant number, since it is smaller than the sum of its proper divisors (95411435510652).

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

40918751161860 is a wasteful number, since it uses less digits than its factorization.

40918751161860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677943 (or 2677928 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 57.

The spelling of 40918751161860 in words is "forty trillion, nine hundred eighteen billion, seven hundred fifty-one million, one hundred sixty-one thousand, eight hundred sixty".