411621012 has 144 divisors (see below), whose sum is σ = 1192726080. Its totient is φ = 118540800.

The previous prime is 411620941. The next prime is 411621043. The reversal of 411621012 is 210126114.

411621012 is a `hidden beast` number, since 41 + 1 + 621 + 0 + 1 + 2 = 666.

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

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, 838087 + ... + 838577.

It is an arithmetic number, because the mean of its divisors is an integer number (8282820).

Almost surely, 2^411621012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411621012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596363040).

411621012 is an abundant number, since it is smaller than the sum of its proper divisors (781105068).

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

411621012 is a wasteful number, since it uses less digits than its factorization.

411621012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 411621012 is about 20288.4452829683. The cubic root of 411621012 is about 743.8736561387.

Adding to 411621012 its reverse (210126114), we get a palindrome (621747126).

The spelling of 411621012 in words is "four hundred eleven million, six hundred twenty-one thousand, twelve".