406441626551 has 8 divisors (see below), whose sum is σ = 410466021504. Its totient is φ = 402434767800.

The previous prime is 406441626497. The next prime is 406441626571. The reversal of 406441626551 is 155626144604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406441626551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406441626571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337465 + ... + 4430178.

It is an arithmetic number, because the mean of its divisors is an integer number (51308252688).

Almost surely, 2^406441626551 is an apocalyptic number.

406441626551 is a deficient number, since it is larger than the sum of its proper divisors (4024394953).

406441626551 is a wasteful number, since it uses less digits than its factorization.

406441626551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768101.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 406441626551 in words is "four hundred six billion, four hundred forty-one million, six hundred twenty-six thousand, five hundred fifty-one".