402424545024 has 108 divisors (see below), whose sum is σ = 1162353823176. Its totient is φ = 133902821376.

The previous prime is 402424544993. The next prime is 402424545049. The reversal of 402424545024 is 420545424204.

402424545024 is a `hidden beast` number, since 402 + 4 + 245 + 4 + 5 + 0 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 402424545024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1142034 + ... + 1452270.

Almost surely, 2^402424545024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402424545024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581176911588).

402424545024 is an abundant number, since it is smaller than the sum of its proper divisors (759929278152).

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

402424545024 is a wasteful number, since it uses less digits than its factorization.

402424545024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310822 (or 310805 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 36.

Adding to 402424545024 its reverse (420545424204), we get a palindrome (822969969228).

The spelling of 402424545024 in words is "four hundred two billion, four hundred twenty-four million, five hundred forty-five thousand, twenty-four".