140405204454124 has 48 divisors (see below), whose sum is σ = 264667413699360. Its totient is φ = 64929760563200.

The previous prime is 140405204454121. The next prime is 140405204454167. The reversal of 140405204454124 is 421454402504041.

It is not an unprimeable number, because it can be changed into a prime (140405204454121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4840224 + ... + 17442424.

It is an arithmetic number, because the mean of its divisors is an integer number (5513904452070).

Almost surely, 2^{140405204454124} is an apocalyptic number.

It is an amenable number.

140405204454124 is a deficient number, since it is larger than the sum of its proper divisors (124262209245236).

140405204454124 is a wasteful number, since it uses less digits than its factorization.

140405204454124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12605058 (or 12605056 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

Adding to 140405204454124 its reverse (421454402504041), we get a palindrome (561859606958165).

It can be divided in two parts, 14040 and 5204454124, that added together give a square (5204468164 = 72142²).

The spelling of 140405204454124 in words is "one hundred forty trillion, four hundred five billion, two hundred four million, four hundred fifty-four thousand, one hundred twenty-four".