1641261230 has 96 divisors (see below), whose sum is σ = 3602589696. Its totient is φ = 527249088.

The previous prime is 1641261199. The next prime is 1641261253. The reversal of 1641261230 is 321621461.

It is a super-2 number, since 2×1641261230² = 5387476850202225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1641261230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2703587 + ... + 2704193.

It is an arithmetic number, because the mean of its divisors is an integer number (37526976).

Almost surely, 2^1641261230 is an apocalyptic number.

1641261230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1641261230 is an abundant number, since it is smaller than the sum of its proper divisors (1961328466).

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

1641261230 is a wasteful number, since it uses less digits than its factorization.

1641261230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1641261230 is about 40512.4823974044. The cubic root of 1641261230 is about 1179.5759344711.

Adding to 1641261230 its reverse (321621461), we get a palindrome (1962882691).

The spelling of 1641261230 in words is "one billion, six hundred forty-one million, two hundred sixty-one thousand, two hundred thirty".