474385055551 has 32 divisors (see below), whose sum is σ = 531278528256. Its totient is φ = 419971200000.

The previous prime is 474385055533. The next prime is 474385055563. The reversal of 474385055551 is 155550583474.

It is a happy number.

It is not a de Polignac number, because 474385055551 - 2⁷ = 474385055423 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 (474385055591) 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, 22218141 + ... + 22239481.

It is an arithmetic number, because the mean of its divisors is an integer number (16602454008).

Almost surely, 2^474385055551 is an apocalyptic number.

474385055551 is a deficient number, since it is larger than the sum of its proper divisors (56893472705).

474385055551 is a wasteful number, since it uses less digits than its factorization.

474385055551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21783.

The product of its (nonzero) digits is 8400000, while the sum is 52.

The spelling of 474385055551 in words is "four hundred seventy-four billion, three hundred eighty-five million, fifty-five thousand, five hundred fifty-one".