4331121205400 has 96 divisors (see below), whose sum is σ = 10986153984000. Its totient is φ = 1574830492800.

The previous prime is 4331121205399. The next prime is 4331121205403. The reversal of 4331121205400 is 45021211334.

It is a happy number.

It is a super-2 number, since 2×4331121205400² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4331121205400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4331121205403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31045001 + ... + 31184199.

It is an arithmetic number, because the mean of its divisors is an integer number (114439104000).

Almost surely, 2^{4331121205400} is an apocalyptic number.

4331121205400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4331121205400 is an abundant number, since it is smaller than the sum of its proper divisors (6655032778600).

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

4331121205400 is a wasteful number, since it uses less digits than its factorization.

4331121205400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153369 (or 153360 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 4331121205400 its reverse (45021211334), we get a palindrome (4376142416734).

The spelling of 4331121205400 in words is "four trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred five thousand, four hundred".