401242200000 has 168 divisors, whose sum is σ = 1326942039024. Its totient is φ = 106997760000.

The previous prime is 401242199987. The next prime is 401242200019. The reversal of 401242200000 is 2242104.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265632 + ... + 934368.

It is an arithmetic number, because the mean of its divisors is an integer number (7898464518).

Almost surely, 2^401242200000 is an apocalyptic number.

401242200000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401242200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663471019512).

401242200000 is an abundant number, since it is smaller than the sum of its proper divisors (925699839024).

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

401242200000 is an frugal number, since it uses more digits than its factorization.

401242200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668777 (or 668747 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 401242200000 its reverse (2242104), we get a palindrome (401244442104).

The spelling of 401242200000 in words is "four hundred one billion, two hundred forty-two million, two hundred thousand".