401443263463 has 32 divisors (see below), whose sum is σ = 447463388160. Its totient is φ = 357102620160.

The previous prime is 401443263449. The next prime is 401443263467. The reversal of 401443263463 is 364362344104.

It is not a de Polignac number, because 401443263463 - 2⁹ = 401443262951 is a prime.

It is a super-2 number, since 2×401443263463² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401443263467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81310731 + ... + 81315667.

It is an arithmetic number, because the mean of its divisors is an integer number (13983230880).

Almost surely, 2^401443263463 is an apocalyptic number.

401443263463 is a deficient number, since it is larger than the sum of its proper divisors (46020124697).

401443263463 is a wasteful number, since it uses less digits than its factorization.

401443263463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847.

The product of its (nonzero) digits is 497664, while the sum is 40.

The spelling of 401443263463 in words is "four hundred one billion, four hundred forty-three million, two hundred sixty-three thousand, four hundred sixty-three".