40256061466 has 16 divisors (see below), whose sum is σ = 63633351168. Its totient is φ = 19062274000.

The previous prime is 40256061401. The next prime is 40256061497. The reversal of 40256061466 is 66416065204.

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 7 ways as a sum of consecutive naturals, for example, 4327690 + ... + 4336981.

It is an arithmetic number, because the mean of its divisors is an integer number (3977084448).

Almost surely, 2^40256061466 is an apocalyptic number.

40256061466 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40256061466 is a deficient number, since it is larger than the sum of its proper divisors (23377289702).

40256061466 is a wasteful number, since it uses less digits than its factorization.

40256061466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664797.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 40256061466 in words is "forty billion, two hundred fifty-six million, sixty-one thousand, four hundred sixty-six".