402144241044 has 48 divisors (see below), whose sum is σ = 1154875772288. Its totient is φ = 106060019328.

The previous prime is 402144241033. The next prime is 402144241061. The reversal of 402144241044 is 440142441204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184130887 + ... + 184133070.

Almost surely, 2^402144241044 is an apocalyptic number.

It is an amenable number.

402144241044 is an abundant number, since it is smaller than the sum of its proper divisors (752731531244).

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

402144241044 is a wasteful number, since it uses less digits than its factorization.

402144241044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368263984 (or 368263982 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 402144241044 its reverse (440142441204), we get a palindrome (842286682248).

The spelling of 402144241044 in words is "four hundred two billion, one hundred forty-four million, two hundred forty-one thousand, forty-four".