401232540543200 has 72 divisors (see below), whose sum is σ = 1037127112553952. Its totient is φ = 151052250552320.

The previous prime is 401232540543101. The next prime is 401232540543209. The reversal of 401232540543200 is 2345045232104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401232540543209) 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, 14751182744 + ... + 14751209943.

It is an arithmetic number, because the mean of its divisors is an integer number (14404543229916).

Almost surely, 2^{401232540543200} is an apocalyptic number.

401232540543200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401232540543200 is an abundant number, since it is smaller than the sum of its proper divisors (635894572010752).

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

401232540543200 is a wasteful number, since it uses less digits than its factorization.

401232540543200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29502392724 (or 29502392711 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 401232540543200 its reverse (2345045232104), we get a palindrome (403577585775304).

The spelling of 401232540543200 in words is "four hundred one trillion, two hundred thirty-two billion, five hundred forty million, five hundred forty-three thousand, two hundred".