40400070736666 has 32 divisors (see below), whose sum is σ = 62051897341440. Its totient is φ = 19721487937536.

The previous prime is 40400070736631. The next prime is 40400070736699. The reversal of 40400070736666 is 66663707000404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386629015 + ... + 386733493.

It is an arithmetic number, because the mean of its divisors is an integer number (1939121791920).

Almost surely, 2^{40400070736666} is an apocalyptic number.

40400070736666 is a deficient number, since it is larger than the sum of its proper divisors (21651826604774).

40400070736666 is a wasteful number, since it uses less digits than its factorization.

40400070736666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130198.

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 40400070736666 in words is "forty trillion, four hundred billion, seventy million, seven hundred thirty-six thousand, six hundred sixty-six".