404213402132 has 12 divisors (see below), whose sum is σ = 707429624916. Its totient is φ = 202090652160.

The previous prime is 404213402083. The next prime is 404213402143. The reversal of 404213402132 is 231204312404.

It can be written as a sum of positive squares in 2 ways, for example, as 298592302096 + 105621100036 = 546436^2 + 324994^2 .

It is a super-3 number, since 3×404213402132³ (a number of 36 digits) contains 333 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, 3955469 + ... + 4056372.

It is an arithmetic number, because the mean of its divisors is an integer number (58952468743).

Almost surely, 2^404213402132 is an apocalyptic number.

It is an amenable number.

404213402132 is a deficient number, since it is larger than the sum of its proper divisors (303216222784).

404213402132 is a wasteful number, since it uses less digits than its factorization.

404213402132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8024458 (or 8024456 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 404213402132 its reverse (231204312404), we get a palindrome (635417714536).

The spelling of 404213402132 in words is "four hundred four billion, two hundred thirteen million, four hundred two thousand, one hundred thirty-two".