402001210032 has 40 divisors (see below), whose sum is σ = 1043883995184. Its totient is φ = 133306097664.

The previous prime is 402001209997. The next prime is 402001210033. The reversal of 402001210032 is 230012100204.

It is a junction number, because it is equal to n+sod(n) for n = 402001209993 and 402001210020.

It is not an unprimeable number, because it can be changed into a prime (402001210033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21687693 + ... + 21706220.

Almost surely, 2^402001210032 is an apocalyptic number.

It is an amenable number.

402001210032 is an abundant number, since it is smaller than the sum of its proper divisors (641882785152).

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

402001210032 is a wasteful number, since it uses less digits than its factorization.

402001210032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43394117 (or 43394111 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 402001210032 its reverse (230012100204), we get a palindrome (632013310236).

The spelling of 402001210032 in words is "four hundred two billion, one million, two hundred ten thousand, thirty-two".