1642241232 has 60 divisors (see below), whose sum is σ = 4754489220. Its totient is φ = 528536064.

The previous prime is 1642241149. The next prime is 1642241233. The reversal of 1642241232 is 2321422461.

1642241232 is a `hidden beast` number, since 1 + 6 + 422 + 4 + 1 + 232 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 852406416 + 789834816 = 29196^2 + 28104^2 .

It is a super-3 number, since 3×1642241232³ (a number of 29 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1642241196 and 1642241205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642241233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192453 + ... + 200804.

It is an arithmetic number, because the mean of its divisors is an integer number (79241487).

Almost surely, 2^1642241232 is an apocalyptic number.

1642241232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1642241232 is an abundant number, since it is smaller than the sum of its proper divisors (3112247988).

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

1642241232 is a wasteful number, since it uses less digits than its factorization.

1642241232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393300 (or 393291 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1642241232 is about 40524.5756547801. The cubic root of 1642241232 is about 1179.8106638668.

Adding to 1642241232 its reverse (2321422461), we get a palindrome (3963663693).

The spelling of 1642241232 in words is "one billion, six hundred forty-two million, two hundred forty-one thousand, two hundred thirty-two".