140411026640 has 20 divisors (see below), whose sum is σ = 326455637124. Its totient is φ = 56164410624.

The previous prime is 140411026621. The next prime is 140411026643. The reversal of 140411026640 is 46620114041.

It can be written as a sum of positive squares in 2 ways, for example, as 23033525824 + 117377500816 = 151768^2 + 342604^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140411026643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877568837 + ... + 877568996.

Almost surely, 2^140411026640 is an apocalyptic number.

140411026640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140411026640 is an abundant number, since it is smaller than the sum of its proper divisors (186044610484).

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

140411026640 is a wasteful number, since it uses less digits than its factorization.

140411026640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755137846 (or 1755137840 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 140411026640 in words is "one hundred forty billion, four hundred eleven million, twenty-six thousand, six hundred forty".