40144640282 has 16 divisors (see below), whose sum is σ = 60625748160. Its totient is φ = 19936508928.

The previous prime is 40144640273. The next prime is 40144640297. The reversal of 40144640282 is 28204644104.

It is a super-2 number, since 2×40144640282² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65819 + ... + 290897.

It is an arithmetic number, because the mean of its divisors is an integer number (3789109260).

Almost surely, 2^40144640282 is an apocalyptic number.

40144640282 is a deficient number, since it is larger than the sum of its proper divisors (20481107878).

40144640282 is a wasteful number, since it uses less digits than its factorization.

40144640282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225685.

The product of its (nonzero) digits is 49152, while the sum is 35.

The spelling of 40144640282 in words is "forty billion, one hundred forty-four million, six hundred forty thousand, two hundred eighty-two".