402432440334 has 32 divisors (see below), whose sum is σ = 824649789600. Its totient is φ = 130847884800.

The previous prime is 402432440327. The next prime is 402432440339. The reversal of 402432440334 is 433044234204.

It is a junction number, because it is equal to n+sod(n) for n = 402432440295 and 402432440304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402432440339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190344 + ... + 1490564.

It is an arithmetic number, because the mean of its divisors is an integer number (25770305925).

Almost surely, 2^402432440334 is an apocalyptic number.

402432440334 is an abundant number, since it is smaller than the sum of its proper divisors (422217349266).

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

402432440334 is a wasteful number, since it uses less digits than its factorization.

402432440334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305716.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 402432440334 its reverse (433044234204), we get a palindrome (835476674538).

The spelling of 402432440334 in words is "four hundred two billion, four hundred thirty-two million, four hundred forty thousand, three hundred thirty-four".