4005157560 has 32 divisors (see below), whose sum is σ = 12015473040. Its totient is φ = 1068041984.

The previous prime is 4005157439. The next prime is 4005157567. The reversal of 4005157560 is 657515004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005157567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16688037 + ... + 16688276.

Almost surely, 2^4005157560 is an apocalyptic number.

4005157560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4005157560 is an abundant number, since it is smaller than the sum of its proper divisors (8010315480).

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

4005157560 is a wasteful number, since it uses less digits than its factorization.

4005157560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33376327 (or 33376323 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 4005157560 is about 63286.3141603301. The cubic root of 4005157560 is about 1588.0830186259.

The spelling of 4005157560 in words is "four billion, five million, one hundred fifty-seven thousand, five hundred sixty".