140446400556 has 48 divisors (see below), whose sum is σ = 408571349760. Its totient is φ = 36479584320.

The previous prime is 140446400539. The next prime is 140446400603. The reversal of 140446400556 is 655004644041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75998211 + ... + 76000058.

It is an arithmetic number, because the mean of its divisors is an integer number (8511903120).

Almost surely, 2^140446400556 is an apocalyptic number.

It is an amenable number.

140446400556 is an abundant number, since it is smaller than the sum of its proper divisors (268124949204).

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

140446400556 is a wasteful number, since it uses less digits than its factorization.

140446400556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151998294 (or 151998292 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 140446400556 in words is "one hundred forty billion, four hundred forty-six million, four hundred thousand, five hundred fifty-six".