40280450466 has 32 divisors (see below), whose sum is σ = 82475458560. Its totient is φ = 13108035024.

The previous prime is 40280450443. The next prime is 40280450473. The reversal of 40280450466 is 66405408204.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494415 + ... + 570093.

It is an arithmetic number, because the mean of its divisors is an integer number (2577358080).

Almost surely, 2^40280450466 is an apocalyptic number.

40280450466 is an abundant number, since it is smaller than the sum of its proper divisors (42195008094).

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

40280450466 is a wasteful number, since it uses less digits than its factorization.

40280450466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77790.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 40280450466 in words is "forty billion, two hundred eighty million, four hundred fifty thousand, four hundred sixty-six".