406021461412 has 48 divisors (see below), whose sum is σ = 822783790080. Its totient is φ = 171722583072.

The previous prime is 406021461401. The next prime is 406021461413. The reversal of 406021461412 is 214164120604.

It is not an unprimeable number, because it can be changed into a prime (406021461413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337623 + ... + 962305.

It is an arithmetic number, because the mean of its divisors is an integer number (17141328960).

Almost surely, 2^406021461412 is an apocalyptic number.

It is an amenable number.

406021461412 is an abundant number, since it is smaller than the sum of its proper divisors (416762328668).

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

406021461412 is a wasteful number, since it uses less digits than its factorization.

406021461412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625000 (or 624998 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 406021461412 in words is "four hundred six billion, twenty-one million, four hundred sixty-one thousand, four hundred twelve".