401868438484 has 12 divisors (see below), whose sum is σ = 703932611508. Its totient is φ = 200744835200.

The previous prime is 401868438463. The next prime is 401868438497. The reversal of 401868438484 is 484834868104.

It can be written as a sum of positive squares in 2 ways, for example, as 97892642884 + 303975795600 = 312878^2 + 551340^2 .

It is a super-2 number, since 2×401868438484² (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 3 ways as a sum of consecutive naturals, for example, 47341237 + ... + 47349724.

It is an arithmetic number, because the mean of its divisors is an integer number (58661050959).

Almost surely, 2^401868438484 is an apocalyptic number.

It is an amenable number.

401868438484 is a deficient number, since it is larger than the sum of its proper divisors (302064173024).

401868438484 is a wasteful number, since it uses less digits than its factorization.

401868438484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94692026 (or 94692024 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 58.

The spelling of 401868438484 in words is "four hundred one billion, eight hundred sixty-eight million, four hundred thirty-eight thousand, four hundred eighty-four".