40894618600 has 192 divisors, whose sum is σ = 111223238400. Its totient is φ = 13817856000.

The previous prime is 40894618573. The next prime is 40894618601. The reversal of 40894618600 is 681649804.

It is not an unprimeable number, because it can be changed into a prime (40894618601) 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, 2947680 + ... + 2961520.

It is an arithmetic number, because the mean of its divisors is an integer number (579287700).

Almost surely, 2^40894618600 is an apocalyptic number.

40894618600 is a gapful number since it is divisible by the number (40) 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 40894618600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55611619200).

40894618600 is an abundant number, since it is smaller than the sum of its proper divisors (70328619800).

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

40894618600 is a wasteful number, since it uses less digits than its factorization.

40894618600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13964 (or 13955 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 40894618600 in words is "forty billion, eight hundred ninety-four million, six hundred eighteen thousand, six hundred".