400466425633 has 16 divisors (see below), whose sum is σ = 412400946240. Its totient is φ = 388591857216.

The previous prime is 400466425607. The next prime is 400466425649. The reversal of 400466425633 is 336524664004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400466425633 - 2²⁹ = 399929554721 is a prime.

It is a super-3 number, since 3×400466425633³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 400466425633.

It is not an unprimeable number, because it can be changed into a prime (400466425133) 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, 21126666 + ... + 21145612.

It is an arithmetic number, because the mean of its divisors is an integer number (25775059140).

Almost surely, 2^400466425633 is an apocalyptic number.

It is an amenable number.

400466425633 is a deficient number, since it is larger than the sum of its proper divisors (11934520607).

400466425633 is a wasteful number, since it uses less digits than its factorization.

400466425633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20496.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 400466425633 in words is "four hundred billion, four hundred sixty-six million, four hundred twenty-five thousand, six hundred thirty-three".