412221042 has 64 divisors (see below), whose sum is σ = 971723520. Its totient is φ = 129254400.

The previous prime is 412221013. The next prime is 412221053. The reversal of 412221042 is 240122214.

412221042 is a `hidden beast` number, since 412 + 2 + 210 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73042 + ... + 78482.

It is an arithmetic number, because the mean of its divisors is an integer number (15183180).

Almost surely, 2^412221042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 412221042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485861760).

412221042 is an abundant number, since it is smaller than the sum of its proper divisors (559502478).

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

412221042 is a wasteful number, since it uses less digits than its factorization.

412221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 412221042 is about 20303.2273789169. The cubic root of 412221042 is about 744.2349349113.

Adding to 412221042 its reverse (240122214), we get a palindrome (652343256).

The spelling of 412221042 in words is "four hundred twelve million, two hundred twenty-one thousand, forty-two".