421535366340 has 96 divisors (see below), whose sum is σ = 1363340087424. Its totient is φ = 96179189760.

The previous prime is 421535366297. The next prime is 421535366383. The reversal of 421535366340 is 43663535124.

It is an interprime number because it is at equal distance from previous prime (421535366297) and next prime (421535366383).

It is a junction number, because it is equal to n+sod(n) for n = 421535366292 and 421535366301.

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 31 ways as a sum of consecutive naturals, for example, 18773779 + ... + 18796218.

It is an arithmetic number, because the mean of its divisors is an integer number (14201459244).

Almost surely, 2^421535366340 is an apocalyptic number.

It is an amenable number.

421535366340 is an abundant number, since it is smaller than the sum of its proper divisors (941804721084).

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

421535366340 is a wasteful number, since it uses less digits than its factorization.

421535366340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37570037 (or 37570035 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 421535366340 in words is "four hundred twenty-one billion, five hundred thirty-five million, three hundred sixty-six thousand, three hundred forty".