421610260 has 24 divisors (see below), whose sum is σ = 888241536. Its totient is φ = 168099360.

The previous prime is 421610243. The next prime is 421610279. The reversal of 421610260 is 62016124.

It is a super-2 number, since 2×421610260² = 355510422674535200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27672 + ... + 40111.

It is an arithmetic number, because the mean of its divisors is an integer number (37010064).

Almost surely, 2^421610260 is an apocalyptic number.

It is an amenable number.

421610260 is an abundant number, since it is smaller than the sum of its proper divisors (466631276).

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

421610260 is a wasteful number, since it uses less digits than its factorization.

421610260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68103 (or 68101 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 421610260 is about 20533.1502697467. The cubic root of 421610260 is about 749.8430842092.

Adding to 421610260 its reverse (62016124), we get a palindrome (483626384).

The spelling of 421610260 in words is "four hundred twenty-one million, six hundred ten thousand, two hundred sixty".