140445942656 has 32 divisors (see below), whose sum is σ = 287356678680. Its totient is φ = 68325050880.

The previous prime is 140445942641. The next prime is 140445942671. The reversal of 140445942656 is 656249544041.

It is an interprime number because it is at equal distance from previous prime (140445942641) and next prime (140445942671).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14822750 + ... + 14832221.

Almost surely, 2^140445942656 is an apocalyptic number.

140445942656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140445942656 is an abundant number, since it is smaller than the sum of its proper divisors (146910736024).

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

140445942656 is an equidigital number, since it uses as much as digits as its factorization.

140445942656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29655022 (or 29655010 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 140445942656 in words is "one hundred forty billion, four hundred forty-five million, nine hundred forty-two thousand, six hundred fifty-six".