475551473280 has 128 divisors (see below), whose sum is σ = 1632421969920. Its totient is φ = 117058818048.

The previous prime is 475551473279. The next prime is 475551473281. The reversal of 475551473280 is 82374155574.

It is an interprime number because it is at equal distance from previous prime (475551473279) and next prime (475551473281).

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×475551473280² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475551473281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9501312 + ... + 9551231.

It is an arithmetic number, because the mean of its divisors is an integer number (12753296640).

Almost surely, 2^475551473280 is an apocalyptic number.

475551473280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475551473280 is an abundant number, since it is smaller than the sum of its proper divisors (1156870496640).

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

475551473280 is a wasteful number, since it uses less digits than its factorization.

475551473280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19052578 (or 19052566 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 51.

The spelling of 475551473280 in words is "four hundred seventy-five billion, five hundred fifty-one million, four hundred seventy-three thousand, two hundred eighty".