40246660064 has 48 divisors (see below), whose sum is σ = 90350125488. Its totient is φ = 17482708992.

The previous prime is 40246660049. The next prime is 40246660169. The reversal of 40246660064 is 46006664204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838422 + ... + 2852565.

It is an arithmetic number, because the mean of its divisors is an integer number (1882294281).

Almost surely, 2^40246660064 is an apocalyptic number.

It is an amenable number.

40246660064 is an abundant number, since it is smaller than the sum of its proper divisors (50103465424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40246660064 is a wasteful number, since it uses less digits than its factorization.

40246660064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691027 (or 5691019 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 40246660064 in words is "forty billion, two hundred forty-six million, six hundred sixty thousand, sixty-four".