4140023252 has 6 divisors (see below), whose sum is σ = 7245040698. Its totient is φ = 2070011624.

The previous prime is 4140023227. The next prime is 4140023347. The reversal of 4140023252 is 2523200414.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3148780996 + 991242256 = 56114^2 + 31484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517502903 + ... + 517502910.

It is an arithmetic number, because the mean of its divisors is an integer number (1207506783).

Almost surely, 2^4140023252 is an apocalyptic number.

It is an amenable number.

4140023252 is a deficient number, since it is larger than the sum of its proper divisors (3105017446).

4140023252 is a wasteful number, since it uses less digits than its factorization.

4140023252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035005817 (or 1035005815 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4140023252 is about 64343.0124566763. The cubic root of 4140023252 is about 1605.7117797400.

Adding to 4140023252 its reverse (2523200414), we get a palindrome (6663223666).

The spelling of 4140023252 in words is "four billion, one hundred forty million, twenty-three thousand, two hundred fifty-two".