3485644520 has 32 divisors (see below), whose sum is σ = 8033989320. Its totient is φ = 1360250880.

The previous prime is 3485644499. The next prime is 3485644553. The reversal of 3485644520 is 254465843.

It can be written as a sum of positive squares in 4 ways, for example, as 1090716676 + 2394927844 = 33026^2 + 48938^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 1061057 + ... + 1064336.

Almost surely, 2^3485644520 is an apocalyptic number.

It is an amenable number.

3485644520 is an abundant number, since it is smaller than the sum of its proper divisors (4548344800).

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

3485644520 is a wasteful number, since it uses less digits than its factorization.

3485644520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125445 (or 2125441 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The square root of 3485644520 is about 59039.3472186135. The cubic root of 3485644520 is about 1516.2158465810.

The spelling of 3485644520 in words is "three billion, four hundred eighty-five million, six hundred forty-four thousand, five hundred twenty".