40013649584 has 20 divisors (see below), whose sum is σ = 77916032400. Its totient is φ = 19906286400.

The previous prime is 40013649569. The next prime is 40013649671. The reversal of 40013649584 is 48594631004.

It is a super-2 number, since 2×40013649584² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 6280367 + ... + 6286734.

It is an arithmetic number, because the mean of its divisors is an integer number (3895801620).

Almost surely, 2^40013649584 is an apocalyptic number.

It is an amenable number.

40013649584 is a deficient number, since it is larger than the sum of its proper divisors (37902382816).

40013649584 is a wasteful number, since it uses less digits than its factorization.

40013649584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567308 (or 12567302 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 40013649584 in words is "forty billion, thirteen million, six hundred forty-nine thousand, five hundred eighty-four".