40868664248408 has 8 divisors (see below), whose sum is σ = 76628745465780. Its totient is φ = 20434332124200.

The previous prime is 40868664248371. The next prime is 40868664248431. The reversal of 40868664248408 is 80484246686804.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2554291515518 + ... + 2554291515533.

Almost surely, 2^{40868664248408} is an apocalyptic number.

It is an amenable number.

40868664248408 is a deficient number, since it is larger than the sum of its proper divisors (35760081217372).

40868664248408 is a wasteful number, since it uses less digits than its factorization.

40868664248408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108583031057 (or 5108583031053 counting only the distinct ones).

The product of its (nonzero) digits is 452984832, while the sum is 68.

The spelling of 40868664248408 in words is "forty trillion, eight hundred sixty-eight billion, six hundred sixty-four million, two hundred forty-eight thousand, four hundred eight".