4011939252 has 36 divisors (see below), whose sum is σ = 10145116800. Its totient is φ = 1336808592.

The previous prime is 4011939229. The next prime is 4011939263. The reversal of 4011939252 is 2529391104.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82749 + ... + 121947.

It is an arithmetic number, because the mean of its divisors is an integer number (281808800).

Almost surely, 2^4011939252 is an apocalyptic number.

It is an amenable number.

4011939252 is an abundant number, since it is smaller than the sum of its proper divisors (6133177548).

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

4011939252 is a wasteful number, since it uses less digits than its factorization.

4011939252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42052 (or 42047 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 4011939252 is about 63339.8709502948. The cubic root of 4011939252 is about 1588.9788482976.

The spelling of 4011939252 in words is "four billion, eleven million, nine hundred thirty-nine thousand, two hundred fifty-two".