140744706440 has 32 divisors (see below), whose sum is σ = 341035251480. Its totient is φ = 51967276032.

The previous prime is 140744706437. The next prime is 140744706457. The reversal of 140744706440 is 44607447041.

It can be written as a sum of positive squares in 4 ways, for example, as 56768780644 + 83975925796 = 238262^2 + 289786^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135330929 + ... + 135331968.

Almost surely, 2^140744706440 is an apocalyptic number.

140744706440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140744706440 is an abundant number, since it is smaller than the sum of its proper divisors (200290545040).

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

140744706440 is a wasteful number, since it uses less digits than its factorization.

140744706440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270662921 (or 270662917 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 41.

The spelling of 140744706440 in words is "one hundred forty billion, seven hundred forty-four million, seven hundred six thousand, four hundred forty".