201440463144 has 32 divisors (see below), whose sum is σ = 503653452000. Its totient is φ = 67139848512.

The previous prime is 201440463121. The next prime is 201440463149. The reversal of 201440463144 is 441364044102.

It is not an unprimeable number, because it can be changed into a prime (201440463149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197179 + ... + 664650.

It is an arithmetic number, because the mean of its divisors is an integer number (15739170375).

Almost surely, 2^201440463144 is an apocalyptic number.

201440463144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201440463144 is an abundant number, since it is smaller than the sum of its proper divisors (302212988856).

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

201440463144 is a wasteful number, since it uses less digits than its factorization.

201440463144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871577 (or 871573 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 201440463144 in words is "two hundred one billion, four hundred forty million, four hundred sixty-three thousand, one hundred forty-four".