406026408489 has 32 divisors (see below), whose sum is σ = 593359872000. Its totient is φ = 245459522880.

The previous prime is 406026408479. The next prime is 406026408499. The reversal of 406026408489 is 984804620604.

It is an interprime number because it is at equal distance from previous prime (406026408479) and next prime (406026408499).

It is not a de Polignac number, because 406026408489 - 2²⁰ = 406025359913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406026408419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282004 + ... + 944234.

It is an arithmetic number, because the mean of its divisors is an integer number (18542496000).

Almost surely, 2^406026408489 is an apocalyptic number.

It is an amenable number.

406026408489 is a deficient number, since it is larger than the sum of its proper divisors (187333463511).

406026408489 is a wasteful number, since it uses less digits than its factorization.

406026408489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662525.

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 406026408489 in words is "four hundred six billion, twenty-six million, four hundred eight thousand, four hundred eighty-nine".