4155660140 has 24 divisors (see below), whose sum is σ = 8750298480. Its totient is φ = 1657804608.

The previous prime is 4155660127. The next prime is 4155660151. The reversal of 4155660140 is 410665514.

It is a super-2 number, since 2×4155660140² = 34539022398369639200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4155660097 and 4155660106.

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, 271070 + ... + 285989.

It is an arithmetic number, because the mean of its divisors is an integer number (364595770).

Almost surely, 2^4155660140 is an apocalyptic number.

It is an amenable number.

4155660140 is an abundant number, since it is smaller than the sum of its proper divisors (4594638340).

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

4155660140 is a wasteful number, since it uses less digits than its factorization.

4155660140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557441 (or 557439 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 4155660140 is about 64464.4098708737. The cubic root of 4155660140 is about 1607.7308336167.

The spelling of 4155660140 in words is "four billion, one hundred fifty-five million, six hundred sixty thousand, one hundred forty".