4012239450 has 48 divisors (see below), whose sum is σ = 9984423456. Its totient is φ = 1066267200.

The previous prime is 4012239433. The next prime is 4012239461. The reversal of 4012239450 is 549322104.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1696 + ... + 89595.

It is an arithmetic number, because the mean of its divisors is an integer number (208008822).

Almost surely, 2^4012239450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012239450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4992211728).

4012239450 is an abundant number, since it is smaller than the sum of its proper divisors (5972184006).

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

4012239450 is a wasteful number, since it uses less digits than its factorization.

4012239450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91599 (or 91594 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4012239450 is about 63342.2406455597. The cubic root of 4012239450 is about 1589.0184797032.

The spelling of 4012239450 in words is "four billion, twelve million, two hundred thirty-nine thousand, four hundred fifty".