406066512 has 80 divisors (see below), whose sum is σ = 1064931840. Its totient is φ = 133320576.

The previous prime is 406066483. The next prime is 406066519. The reversal of 406066512 is 215660604.

It is a super-2 number, since 2×406066512² = 329780024335692288, 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 406066512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406066519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434723 + ... + 1435005.

It is an arithmetic number, because the mean of its divisors is an integer number (13311648).

Almost surely, 2^406066512 is an apocalyptic number.

It is an amenable number.

406066512 is an abundant number, since it is smaller than the sum of its proper divisors (658865328).

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

406066512 is a wasteful number, since it uses less digits than its factorization.

406066512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 406066512 is about 20151.0920795872. The cubic root of 406066512 is about 740.5124962120.

The spelling of 406066512 in words is "four hundred six million, sixty-six thousand, five hundred twelve".