7126044090 has 128 divisors (see below), whose sum is σ = 19330375680. Its totient is φ = 1665619200.

The previous prime is 7126044043. The next prime is 7126044127. The reversal of 7126044090 is 904406217.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3139476 + ... + 3141744.

It is an arithmetic number, because the mean of its divisors is an integer number (151018560).

Almost surely, 2^7126044090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7126044090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9665187840).

7126044090 is an abundant number, since it is smaller than the sum of its proper divisors (12204331590).

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

7126044090 is a wasteful number, since it uses less digits than its factorization.

7126044090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 7126044090 is about 84415.8995095118. The cubic root of 7126044090 is about 1924.3445535984.

The spelling of 7126044090 in words is "seven billion, one hundred twenty-six million, forty-four thousand, ninety".