4126066494 has 64 divisors (see below), whose sum is σ = 9226414080. Its totient is φ = 1219569120.

The previous prime is 4126066487. The next prime is 4126066499. The reversal of 4126066494 is 4946606214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4126066499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450937 + ... + 459995.

It is an arithmetic number, because the mean of its divisors is an integer number (144162720).

Almost surely, 2^4126066494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4126066494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4613207040).

4126066494 is an abundant number, since it is smaller than the sum of its proper divisors (5100347586).

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

4126066494 is a wasteful number, since it uses less digits than its factorization.

4126066494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 4126066494 is about 64234.4650012748. The cubic root of 4126066494 is about 1603.9053678807.

The spelling of 4126066494 in words is "four billion, one hundred twenty-six million, sixty-six thousand, four hundred ninety-four".