140421331044 has 72 divisors (see below), whose sum is σ = 359327474688. Its totient is φ = 46233633600.

The previous prime is 140421331031. The next prime is 140421331073. The reversal of 140421331044 is 440133124041.

140421331044 is a `hidden beast` number, since 1 + 404 + 213 + 3 + 1 + 0 + 44 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 140421330999 and 140421331017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 970194 + ... + 1105494.

Almost surely, 2^140421331044 is an apocalyptic number.

It is an amenable number.

140421331044 is an abundant number, since it is smaller than the sum of its proper divisors (218906143644).

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

140421331044 is a wasteful number, since it uses less digits than its factorization.

140421331044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135665 (or 135660 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 140421331044 its reverse (440133124041), we get a palindrome (580554455085).

The spelling of 140421331044 in words is "one hundred forty billion, four hundred twenty-one million, three hundred thirty-one thousand, forty-four".