140042202041044 has 6 divisors (see below), whose sum is σ = 245073853571834. Its totient is φ = 70021101020520.

The previous prime is 140042202041023. The next prime is 140042202041227. The reversal of 140042202041044 is 440140202240041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133886652483600 + 6155549557444 = 11570940^2 + 2481038^2 .

It is a super-2 number, since 2×140042202041044² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17505275255127 + ... + 17505275255134.

Almost surely, 2^{140042202041044} is an apocalyptic number.

It is an amenable number.

140042202041044 is a deficient number, since it is larger than the sum of its proper divisors (105031651530790).

140042202041044 is a wasteful number, since it uses less digits than its factorization.

140042202041044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35010550510265 (or 35010550510263 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 140042202041044 its reverse (440140202240041), we get a palindrome (580182404281085).

The spelling of 140042202041044 in words is "one hundred forty trillion, forty-two billion, two hundred two million, forty-one thousand, forty-four".