403421402432 has 14 divisors (see below), whose sum is σ = 800539345578. Its totient is φ = 201710701184.

The previous prime is 403421402399. The next prime is 403421402453. The reversal of 403421402432 is 234204124304.

It can be written as a sum of positive squares in only one way, i.e., 366489787456 + 36931614976 = 605384^2 + 192176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 403421402395 and 403421402404.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3151729643 + ... + 3151729770.

It is an arithmetic number, because the mean of its divisors is an integer number (57181381827).

Almost surely, 2^403421402432 is an apocalyptic number.

It is an amenable number.

403421402432 is a deficient number, since it is larger than the sum of its proper divisors (397117943146).

403421402432 is an equidigital number, since it uses as much as digits as its factorization.

403421402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303459425 (or 6303459415 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 403421402432 its reverse (234204124304), we get a palindrome (637625526736).

The spelling of 403421402432 in words is "four hundred three billion, four hundred twenty-one million, four hundred two thousand, four hundred thirty-two".