401432040144 has 60 divisors (see below), whose sum is σ = 1134359512416. Its totient is φ = 132511542336.

The previous prime is 401432040133. The next prime is 401432040151. The reversal of 401432040144 is 441040234104.

401432040144 is a `hidden beast` number, since 401 + 43 + 204 + 0 + 14 + 4 = 666.

It is a super-2 number, since 2×401432040144² (a number of 24 digits) contains 22 as substring.

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, 13517802 + ... + 13547465.

Almost surely, 2^401432040144 is an apocalyptic number.

It is an amenable number.

401432040144 is an abundant number, since it is smaller than the sum of its proper divisors (732927472272).

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

401432040144 is a wasteful number, since it uses less digits than its factorization.

401432040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27065384 (or 27065375 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 401432040144 its reverse (441040234104), we get a palindrome (842472274248).

The spelling of 401432040144 in words is "four hundred one billion, four hundred thirty-two million, forty thousand, one hundred forty-four".