401211355600 has 60 divisors (see below), whose sum is σ = 1051538500800. Its totient is φ = 145895036800.

The previous prime is 401211355561. The next prime is 401211355613. The reversal of 401211355600 is 6553112104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45587800 + ... + 45596599.

It is an arithmetic number, because the mean of its divisors is an integer number (17525641680).

Almost surely, 2^401211355600 is an apocalyptic number.

401211355600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401211355600 is an abundant number, since it is smaller than the sum of its proper divisors (650327145200).

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

401211355600 is a wasteful number, since it uses less digits than its factorization.

401211355600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91184428 (or 91184417 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 401211355600 its reverse (6553112104), we get a palindrome (407764467704).

The spelling of 401211355600 in words is "four hundred one billion, two hundred eleven million, three hundred fifty-five thousand, six hundred".