40466156160721 has 8 divisors (see below), whose sum is σ = 40836047974560. Its totient is φ = 40097344324128.

The previous prime is 40466156160697. The next prime is 40466156160761. The reversal of 40466156160721 is 12706165166404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40466156160721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40466156160761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269919031 + ... + 270068908.

It is an arithmetic number, because the mean of its divisors is an integer number (5104505996820).

Almost surely, 2^{40466156160721} is an apocalyptic number.

It is an amenable number.

40466156160721 is a deficient number, since it is larger than the sum of its proper divisors (369891813839).

40466156160721 is a wasteful number, since it uses less digits than its factorization.

40466156160721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539988623.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 40466156160721 in words is "forty trillion, four hundred sixty-six billion, one hundred fifty-six million, one hundred sixty thousand, seven hundred twenty-one".