401246064244 has 24 divisors (see below), whose sum is σ = 715412823048. Its totient is φ = 196870302720.

The previous prime is 401246064239. The next prime is 401246064301. The reversal of 401246064244 is 442460642104.

It can be written as a sum of positive squares in 4 ways, for example, as 329175292644 + 72070771600 = 573738^2 + 268460^2 .

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, 3430117 + ... + 3545164.

It is an arithmetic number, because the mean of its divisors is an integer number (29808867627).

Almost surely, 2^401246064244 is an apocalyptic number.

It is an amenable number.

401246064244 is a deficient number, since it is larger than the sum of its proper divisors (314166758804).

401246064244 is a wasteful number, since it uses less digits than its factorization.

401246064244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975555 (or 6975553 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

It can be divided in two parts, 4012460 and 64244, that added together give a palindrome (4076704).

The spelling of 401246064244 in words is "four hundred one billion, two hundred forty-six million, sixty-four thousand, two hundred forty-four".