140044666620 has 192 divisors, whose sum is σ = 405196162560. Its totient is φ = 36127567872.

The previous prime is 140044666609. The next prime is 140044666679. The reversal of 140044666620 is 26666440041.

It is a super-2 number, since 2×140044666620² (a number of 23 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 in 63 ways as a sum of consecutive naturals, for example, 47423064 + ... + 47426016.

It is an arithmetic number, because the mean of its divisors is an integer number (2110396680).

Almost surely, 2^140044666620 is an apocalyptic number.

140044666620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140044666620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202598081280).

140044666620 is an abundant number, since it is smaller than the sum of its proper divisors (265151495940).

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

140044666620 is a wasteful number, since it uses less digits than its factorization.

140044666620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 140044666620 in words is "one hundred forty billion, forty-four million, six hundred sixty-six thousand, six hundred twenty".