201228636105400 has 24 divisors (see below), whose sum is σ = 467856578945520. Its totient is φ = 80491454442080.

The previous prime is 201228636105353. The next prime is 201228636105481. The reversal of 201228636105400 is 4501636822102.

201228636105400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503071590064 + ... + 503071590463.

It is an arithmetic number, because the mean of its divisors is an integer number (19494024122730).

Almost surely, 2^{201228636105400} is an apocalyptic number.

201228636105400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201228636105400 is an abundant number, since it is smaller than the sum of its proper divisors (266627942840120).

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

201228636105400 is a wasteful number, since it uses less digits than its factorization.

201228636105400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006143180543 (or 1006143180534 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 201228636105400 in words is "two hundred one trillion, two hundred twenty-eight billion, six hundred thirty-six million, one hundred five thousand, four hundred".