40142207400140 has 24 divisors (see below), whose sum is σ = 86259068926800. Its totient is φ = 15683467076928.

The previous prime is 40142207400109. The next prime is 40142207400187. The reversal of 40142207400140 is 4100470224104.

It is a super-2 number, since 2×40142207400140² (a number of 28 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, 23338491815 + ... + 23338493534.

It is an arithmetic number, because the mean of its divisors is an integer number (3594127871950).

Almost surely, 2^{40142207400140} is an apocalyptic number.

It is an amenable number.

40142207400140 is an abundant number, since it is smaller than the sum of its proper divisors (46116861526660).

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

40142207400140 is a wasteful number, since it uses less digits than its factorization.

40142207400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46676985401 (or 46676985399 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 40142207400140 its reverse (4100470224104), we get a palindrome (44242677624244).

The spelling of 40142207400140 in words is "forty trillion, one hundred forty-two billion, two hundred seven million, four hundred thousand, one hundred forty".