402432124424 has 96 divisors (see below), whose sum is σ = 861958268640. Its totient is φ = 174674438400.

The previous prime is 402432124417. The next prime is 402432124459. The reversal of 402432124424 is 424421234204.

It is a super-2 number, since 2×402432124424² (a number of 24 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 28715579 + ... + 28729589.

It is an arithmetic number, because the mean of its divisors is an integer number (8978731965).

Almost surely, 2^402432124424 is an apocalyptic number.

402432124424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402432124424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430979134320).

402432124424 is an abundant number, since it is smaller than the sum of its proper divisors (459526144216).

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

402432124424 is a wasteful number, since it uses less digits than its factorization.

402432124424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14691 (or 14664 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 402432124424 its reverse (424421234204), we get a palindrome (826853358628).

The spelling of 402432124424 in words is "four hundred two billion, four hundred thirty-two million, one hundred twenty-four thousand, four hundred twenty-four".