402404032132 has 48 divisors (see below), whose sum is σ = 772625548800. Its totient is φ = 182771487360.

The previous prime is 402404032067. The next prime is 402404032141. The reversal of 402404032132 is 231230404204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402404032097 and 402404032106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073532 + ... + 1399027.

It is an arithmetic number, because the mean of its divisors is an integer number (16096365600).

Almost surely, 2^402404032132 is an apocalyptic number.

It is an amenable number.

402404032132 is a deficient number, since it is larger than the sum of its proper divisors (370221516668).

402404032132 is a wasteful number, since it uses less digits than its factorization.

402404032132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472676 (or 2472674 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402404032132 its reverse (231230404204), we get a palindrome (633634436336).

The spelling of 402404032132 in words is "four hundred two billion, four hundred four million, thirty-two thousand, one hundred thirty-two".