421036464 has 20 divisors (see below), whose sum is σ = 1087677656. Its totient is φ = 140345472.

The previous prime is 421036463. The next prime is 421036487. The reversal of 421036464 is 464630124.

It is not an unprimeable number, because it can be changed into a prime (421036463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385749 + ... + 4385844.

Almost surely, 2^421036464 is an apocalyptic number.

It is an amenable number.

421036464 is an abundant number, since it is smaller than the sum of its proper divisors (666641192).

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

421036464 is a wasteful number, since it uses less digits than its factorization.

421036464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771604 (or 8771598 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 421036464 is about 20519.1730827536. The cubic root of 421036464 is about 749.5027601874.

Adding to 421036464 its reverse (464630124), we get a palindrome (885666588).

The spelling of 421036464 in words is "four hundred twenty-one million, thirty-six thousand, four hundred sixty-four".