4012625538 has 24 divisors (see below), whose sum is σ = 8798772528. Its totient is φ = 1321426392.

The previous prime is 4012625531. The next prime is 4012625557. The reversal of 4012625538 is 8355262104.

4012625538 is a `hidden beast` number, since 40 + 1 + 2 + 62 + 553 + 8 = 666.

It is a super-2 number, since 2×4012625538² = 32202327416419578888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4012625531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1341420 + ... + 1344407.

It is an arithmetic number, because the mean of its divisors is an integer number (366615522).

Almost surely, 2^4012625538 is an apocalyptic number.

4012625538 is an abundant number, since it is smaller than the sum of its proper divisors (4786146990).

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

4012625538 is a wasteful number, since it uses less digits than its factorization.

4012625538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685918 (or 2685915 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4012625538 is about 63345.2882067798. The cubic root of 4012625538 is about 1589.0694471905.

The spelling of 4012625538 in words is "four billion, twelve million, six hundred twenty-five thousand, five hundred thirty-eight".