4155560 has 16 divisors (see below), whose sum is σ = 9350100. Its totient is φ = 1662208.

The previous prime is 4155551. The next prime is 4155583. The reversal of 4155560 is 655514.

It can be written as a sum of positive squares in 2 ways, for example, as 4153444 + 2116 = 2038^2 + 46^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51905 + ... + 51984.

Almost surely, 2^4155560 is an apocalyptic number.

4155560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4155560 is an abundant number, since it is smaller than the sum of its proper divisors (5194540).

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

4155560 is a wasteful number, since it uses less digits than its factorization.

4155560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103900 (or 103896 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 4155560 is about 2038.5190703057. The cubic root of 4155560 is about 160.7717919547.

The spelling of 4155560 in words is "four million, one hundred fifty-five thousand, five hundred sixty".