406501255556555 has 8 divisors (see below), whose sum is σ = 487801625086944. Its totient is φ = 325200925499200.

The previous prime is 406501255556531. The next prime is 406501255556581. The reversal of 406501255556555 is 555655552105604.

It is a happy number.

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

It is not a de Polignac number, because 406501255556555 - 2⁸ = 406501255556299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406501255556494 and 406501255556503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22350695 + ... + 36229215.

It is an arithmetic number, because the mean of its divisors is an integer number (60975203135868).

Almost surely, 2^{406501255556555} is an apocalyptic number.

406501255556555 is a deficient number, since it is larger than the sum of its proper divisors (81300369530389).

406501255556555 is a wasteful number, since it uses less digits than its factorization.

406501255556555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19736517.

The product of its (nonzero) digits is 112500000, while the sum is 59.

The spelling of 406501255556555 in words is "four hundred six trillion, five hundred one billion, two hundred fifty-five million, five hundred fifty-six thousand, five hundred fifty-five".