404061923481 has 16 divisors (see below), whose sum is σ = 549072302400. Its totient is φ = 264216006080.

The previous prime is 404061923479. The next prime is 404061923509. The reversal of 404061923481 is 184329160404.

It is a cyclic number.

It is not a de Polignac number, because 404061923481 - 2¹ = 404061923479 is a prime.

It is a super-2 number, since 2×404061923481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404061923401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191095 + ... + 919043.

It is an arithmetic number, because the mean of its divisors is an integer number (34317018900).

Almost surely, 2^404061923481 is an apocalyptic number.

It is an amenable number.

404061923481 is a deficient number, since it is larger than the sum of its proper divisors (145010378919).

404061923481 is a wasteful number, since it uses less digits than its factorization.

404061923481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731496.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 404061923481 in words is "four hundred four billion, sixty-one million, nine hundred twenty-three thousand, four hundred eighty-one".