477171100477640 has 128 divisors (see below), whose sum is σ = 1117000353899520. Its totient is φ = 183259990425600.

The previous prime is 477171100477607. The next prime is 477171100477661. The reversal of 477171100477640 is 46774001171774.

It is a super-2 number, since 2×477171100477640² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114577460 + ... + 118669020.

It is an arithmetic number, because the mean of its divisors is an integer number (8726565264840).

Almost surely, 2^{477171100477640} is an apocalyptic number.

477171100477640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477171100477640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558500176949760).

477171100477640 is an abundant number, since it is smaller than the sum of its proper divisors (639829253421880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477171100477640 is a wasteful number, since it uses less digits than its factorization.

477171100477640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092343 (or 4092339 counting only the distinct ones).

The product of its (nonzero) digits is 6453888, while the sum is 56.

The spelling of 477171100477640 in words is "four hundred seventy-seven trillion, one hundred seventy-one billion, one hundred million, four hundred seventy-seven thousand, six hundred forty".