401820548200 has 24 divisors (see below), whose sum is σ = 934232775030. Its totient is φ = 160728219200.

The previous prime is 401820548179. The next prime is 401820548203. The reversal of 401820548200 is 2845028104.

It can be written as a sum of positive squares in 3 ways, for example, as 338577351876 + 63243196324 = 581874^2 + 251482^2 .

It is a super-2 number, since 2×401820548200² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401820548203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1004551171 + ... + 1004551570.

Almost surely, 2^401820548200 is an apocalyptic number.

401820548200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401820548200 is an abundant number, since it is smaller than the sum of its proper divisors (532412226830).

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

401820548200 is a wasteful number, since it uses less digits than its factorization.

401820548200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009102757 (or 2009102748 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The spelling of 401820548200 in words is "four hundred one billion, eight hundred twenty million, five hundred forty-eight thousand, two hundred".