40662949407 has 4 divisors (see below), whose sum is σ = 54217265880. Its totient is φ = 27108632936.

The previous prime is 40662949403. The next prime is 40662949463. The reversal of 40662949407 is 70494926604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40662949407 - 2² = 40662949403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40662949407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40662949403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6777158232 + ... + 6777158237.

It is an arithmetic number, because the mean of its divisors is an integer number (13554316470).

Almost surely, 2^40662949407 is an apocalyptic number.

40662949407 is a deficient number, since it is larger than the sum of its proper divisors (13554316473).

40662949407 is a wasteful number, since it uses less digits than its factorization.

40662949407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13554316472.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 40662949407 in words is "forty billion, six hundred sixty-two million, nine hundred forty-nine thousand, four hundred seven".