401140333144 has 32 divisors (see below), whose sum is σ = 769511131200. Its totient is φ = 195989713920.

The previous prime is 401140333067. The next prime is 401140333163. The reversal of 401140333144 is 441333041104.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3210427 + ... + 3333034.

It is an arithmetic number, because the mean of its divisors is an integer number (24047222850).

Almost surely, 2^401140333144 is an apocalyptic number.

It is an amenable number.

401140333144 is a deficient number, since it is larger than the sum of its proper divisors (368370798056).

401140333144 is a wasteful number, since it uses less digits than its factorization.

401140333144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543643 (or 6543639 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 401140333144 its reverse (441333041104), we get a palindrome (842473374248).

The spelling of 401140333144 in words is "four hundred one billion, one hundred forty million, three hundred thirty-three thousand, one hundred forty-four".