401144460445452 has 72 divisors (see below), whose sum is σ = 956482056705280. Its totient is φ = 130850717870880.

The previous prime is 401144460445349. The next prime is 401144460445459. The reversal of 401144460445452 is 254544064441104.

It is not an unprimeable number, because it can be changed into a prime (401144460445459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181035249 + ... + 183237687.

Almost surely, 2^{401144460445452} is an apocalyptic number.

It is an amenable number.

401144460445452 is an abundant number, since it is smaller than the sum of its proper divisors (555337596259828).

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

401144460445452 is a wasteful number, since it uses less digits than its factorization.

401144460445452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209411 (or 2209362 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 48.

The spelling of 401144460445452 in words is "four hundred one trillion, one hundred forty-four billion, four hundred sixty million, four hundred forty-five thousand, four hundred fifty-two".