201000440220144 has 20 divisors (see below), whose sum is σ = 519251137235496. Its totient is φ = 67000146740032.

The previous prime is 201000440220089. The next prime is 201000440220187. The reversal of 201000440220144 is 441022044000102.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2093754585579 + ... + 2093754585674.

Almost surely, 2^{201000440220144} is an apocalyptic number.

201000440220144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201000440220144 is an abundant number, since it is smaller than the sum of its proper divisors (318250697015352).

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

201000440220144 is a wasteful number, since it uses less digits than its factorization.

201000440220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187509171264 (or 4187509171258 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 201000440220144 its reverse (441022044000102), we get a palindrome (642022484220246).

The spelling of 201000440220144 in words is "two hundred one trillion, four hundred forty million, two hundred twenty thousand, one hundred forty-four".