470511781000 has 32 divisors (see below), whose sum is σ = 1100997569880. Its totient is φ = 188204712000.

The previous prime is 470511780983. The next prime is 470511781021. The reversal of 470511781000 is 187115074.

It can be written as a sum of positive squares in 4 ways, for example, as 94892338116 + 375619442884 = 308046^2 + 612878^2 .

It is a super-2 number, since 2×470511781000² (a number of 24 digits) contains 22 as substring.

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, 235254891 + ... + 235256890.

Almost surely, 2^470511781000 is an apocalyptic number.

470511781000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

470511781000 is an abundant number, since it is smaller than the sum of its proper divisors (630485788880).

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

470511781000 is a wasteful number, since it uses less digits than its factorization.

470511781000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470511802 (or 470511788 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 34.

Adding to 470511781000 its reverse (187115074), we get a palindrome (470698896074).

The spelling of 470511781000 in words is "four hundred seventy billion, five hundred eleven million, seven hundred eighty-one thousand".