40142067284 has 12 divisors (see below), whose sum is σ = 76634855808. Its totient is φ = 18246394200.

The previous prime is 40142067281. The next prime is 40142067319. The reversal of 40142067284 is 48276024104.

It is a super-2 number, since 2×40142067284² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142067281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 456159812 + ... + 456159899.

It is an arithmetic number, because the mean of its divisors is an integer number (6386237984).

Almost surely, 2^40142067284 is an apocalyptic number.

40142067284 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40142067284 is a deficient number, since it is larger than the sum of its proper divisors (36492788524).

40142067284 is a wasteful number, since it uses less digits than its factorization.

40142067284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912319726 (or 912319724 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 40142067284 in words is "forty billion, one hundred forty-two million, sixty-seven thousand, two hundred eighty-four".