405742504611 has 8 divisors (see below), whose sum is σ = 542148444864. Its totient is φ = 269915783720.

The previous prime is 405742504571. The next prime is 405742504631. The reversal of 405742504611 is 116405247504.

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

It is a cyclic number.

It is not a de Polignac number, because 405742504611 - 2⁶ = 405742504547 is a prime.

It is a super-2 number, since 2×405742504611² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405742504611.

It is not an unprimeable number, because it can be changed into a prime (405742504631) by changing a digit.

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, 144803205 + ... + 144806006.

It is an arithmetic number, because the mean of its divisors is an integer number (67768555608).

Almost surely, 2^405742504611 is an apocalyptic number.

405742504611 is a deficient number, since it is larger than the sum of its proper divisors (136405940253).

405742504611 is a wasteful number, since it uses less digits than its factorization.

405742504611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289609681.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 405742504611 in words is "four hundred five billion, seven hundred forty-two million, five hundred four thousand, six hundred eleven".