40863867066 has 96 divisors (see below), whose sum is σ = 100484774208. Its totient is φ = 12343415040.

The previous prime is 40863867061. The next prime is 40863867089. The reversal of 40863867066 is 66076836804.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (40863867061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1682626 + ... + 1706738.

It is an arithmetic number, because the mean of its divisors is an integer number (1046716398).

Almost surely, 2^40863867066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40863867066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50242387104).

40863867066 is an abundant number, since it is smaller than the sum of its proper divisors (59620907142).

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

40863867066 is a wasteful number, since it uses less digits than its factorization.

40863867066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24458 (or 24446 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 40863867066 in words is "forty billion, eight hundred sixty-three million, eight hundred sixty-seven thousand, sixty-six".