421014564 has 48 divisors (see below), whose sum is σ = 1121030400. Its totient is φ = 136543968.

The previous prime is 421014557. The next prime is 421014613. The reversal of 421014564 is 465410124.

It is a super-2 number, since 2×421014564² = 354506526200220192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48684 + ... + 56675.

It is an arithmetic number, because the mean of its divisors is an integer number (23354800).

Almost surely, 2^421014564 is an apocalyptic number.

It is an amenable number.

421014564 is an abundant number, since it is smaller than the sum of its proper divisors (700015836).

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

421014564 is a wasteful number, since it uses less digits than its factorization.

421014564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105409 (or 105401 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 421014564 is about 20518.6394285781. The cubic root of 421014564 is about 749.4897649590.

Adding to 421014564 its reverse (465410124), we get a palindrome (886424688).

It can be divided in two parts, 42101 and 4564, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 421014564 in words is "four hundred twenty-one million, fourteen thousand, five hundred sixty-four".