401195010721 has 16 divisors (see below), whose sum is σ = 425835144000. Its totient is φ = 376671589888.

The previous prime is 401195010707. The next prime is 401195010731. The reversal of 401195010721 is 127010591104.

It is a cyclic number.

It is not a de Polignac number, because 401195010721 - 2¹⁷ = 401194879649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401195010731) 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 in 15 ways as a sum of consecutive naturals, for example, 12163470 + ... + 12196408.

It is an arithmetic number, because the mean of its divisors is an integer number (26614696500).

Almost surely, 2^401195010721 is an apocalyptic number.

It is an amenable number.

401195010721 is a deficient number, since it is larger than the sum of its proper divisors (24640133279).

401195010721 is a wasteful number, since it uses less digits than its factorization.

401195010721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34688.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 401195010721 in words is "four hundred one billion, one hundred ninety-five million, ten thousand, seven hundred twenty-one".