40587145064 has 16 divisors (see below), whose sum is σ = 78555765120. Its totient is φ = 19638941040.

The previous prime is 40587145031. The next prime is 40587145111. The reversal of 40587145064 is 46054178504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81828674 + ... + 81829169.

It is an arithmetic number, because the mean of its divisors is an integer number (4909735320).

Almost surely, 2^40587145064 is an apocalyptic number.

It is an amenable number.

40587145064 is a deficient number, since it is larger than the sum of its proper divisors (37968620056).

40587145064 is a wasteful number, since it uses less digits than its factorization.

40587145064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163657880 (or 163657876 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 40587145064 in words is "forty billion, five hundred eighty-seven million, one hundred forty-five thousand, sixty-four".