40636362646666 has 64 divisors (see below), whose sum is σ = 64986452264448. Its totient is φ = 19014720012288.

The previous prime is 40636362646571. The next prime is 40636362646679. The reversal of 40636362646666 is 66664626363604.

It is a junction number, because it is equal to n+sod(n) for n = 40636362646598 and 40636362646607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1360289106 + ... + 1360318978.

It is an arithmetic number, because the mean of its divisors is an integer number (1015413316632).

Almost surely, 2^{40636362646666} is an apocalyptic number.

40636362646666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40636362646666 is a deficient number, since it is larger than the sum of its proper divisors (24350089617782).

40636362646666 is a wasteful number, since it uses less digits than its factorization.

40636362646666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31495.

The product of its (nonzero) digits is 483729408, while the sum is 64.

The spelling of 40636362646666 in words is "forty trillion, six hundred thirty-six billion, three hundred sixty-two million, six hundred forty-six thousand, six hundred sixty-six".