40589897616 has 120 divisors (see below), whose sum is σ = 117544976640. Its totient is φ = 13061664000.

The previous prime is 40589897591. The next prime is 40589897669. The reversal of 40589897616 is 61679898504.

40589897616 is a `hidden beast` number, since 4 + 0 + 5 + 8 + 9 + 8 + 9 + 7 + 616 = 666.

40589897616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1859566 + ... + 1881266.

It is an arithmetic number, because the mean of its divisors is an integer number (979541472).

Almost surely, 2^40589897616 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 40589897616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58772488320).

40589897616 is an abundant number, since it is smaller than the sum of its proper divisors (76955079024).

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

40589897616 is a wasteful number, since it uses less digits than its factorization.

40589897616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22165 (or 22156 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 40589897616 in words is "forty billion, five hundred eighty-nine million, eight hundred ninety-seven thousand, six hundred sixteen".