406240668096 has 56 divisors (see below), whose sum is σ = 1138071292560. Its totient is φ = 127448051712.

The previous prime is 406240668091. The next prime is 406240668131. The reversal of 406240668096 is 690866042604.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406240668091) 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 7 ways as a sum of consecutive naturals, for example, 62227231 + ... + 62233758.

Almost surely, 2^406240668096 is an apocalyptic number.

It is an amenable number.

406240668096 is an abundant number, since it is smaller than the sum of its proper divisors (731830624464).

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

406240668096 is a wasteful number, since it uses less digits than its factorization.

406240668096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124461021 (or 124461011 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 406240668096 in words is "four hundred six billion, two hundred forty million, six hundred sixty-eight thousand, ninety-six".