40350664556 has 6 divisors (see below), whose sum is σ = 70613662980. Its totient is φ = 20175332276.

The previous prime is 40350664499. The next prime is 40350664559. The reversal of 40350664556 is 65546605304.

It is a super-2 number, since 2×40350664556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40350664559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5043833066 + ... + 5043833073.

It is an arithmetic number, because the mean of its divisors is an integer number (11768943830).

Almost surely, 2^40350664556 is an apocalyptic number.

It is an amenable number.

40350664556 is a deficient number, since it is larger than the sum of its proper divisors (30262998424).

40350664556 is a wasteful number, since it uses less digits than its factorization.

40350664556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087666143 (or 10087666141 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 40350664556 in words is "forty billion, three hundred fifty million, six hundred sixty-four thousand, five hundred fifty-six".