402432014440 has 32 divisors (see below), whose sum is σ = 909260640000. Its totient is φ = 160299275584.

The previous prime is 402432014417. The next prime is 402432014503. The reversal of 402432014440 is 44410234204.

It is a junction number, because it is equal to n+sod(n) for n = 402432014399 and 402432014408.

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 7 ways as a sum of consecutive naturals, for example, 21038140 + ... + 21057259.

It is an arithmetic number, because the mean of its divisors is an integer number (28414395000).

Almost surely, 2^402432014440 is an apocalyptic number.

402432014440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402432014440 is an abundant number, since it is smaller than the sum of its proper divisors (506828625560).

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

402432014440 is a wasteful number, since it uses less digits than its factorization.

402432014440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42095649 (or 42095645 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 402432014440 its reverse (44410234204), we get a palindrome (446842248644).

The spelling of 402432014440 in words is "four hundred two billion, four hundred thirty-two million, fourteen thousand, four hundred forty".