40456640610123 has 16 divisors (see below), whose sum is σ = 56890235145600. Its totient is φ = 25502519165760.

The previous prime is 40456640610107. The next prime is 40456640610167. The reversal of 40456640610123 is 32101604665404.

It is not a de Polignac number, because 40456640610123 - 2⁴ = 40456640610107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40456640610193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681127333 + ... + 681186726.

It is an arithmetic number, because the mean of its divisors is an integer number (3555639696600).

Almost surely, 2^{40456640610123} is an apocalyptic number.

40456640610123 is a deficient number, since it is larger than the sum of its proper divisors (16433594535477).

40456640610123 is a wasteful number, since it uses less digits than its factorization.

40456640610123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362314602.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 40456640610123 in words is "forty trillion, four hundred fifty-six billion, six hundred forty million, six hundred ten thousand, one hundred twenty-three".