201080445400 has 48 divisors (see below), whose sum is σ = 467542341000. Its totient is φ = 80426964480.

The previous prime is 201080445389. The next prime is 201080445409. The reversal of 201080445400 is 4544080102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201080445409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4994551 + ... + 5034649.

Almost surely, 2^201080445400 is an apocalyptic number.

201080445400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201080445400 is an abundant number, since it is smaller than the sum of its proper divisors (266461895600).

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

201080445400 is a wasteful number, since it uses less digits than its factorization.

201080445400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65188 (or 65179 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The spelling of 201080445400 in words is "two hundred one billion, eighty million, four hundred forty-five thousand, four hundred".