7081426944 has 360 divisors, whose sum is σ = 22837898160. Its totient is φ = 2179989504.

The previous prime is 7081426873. The next prime is 7081426997. The reversal of 7081426944 is 4496241807.

It is a self number, because there is not a number n which added to its sum of digits gives 7081426944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 244187122 + ... + 244187150.

It is an arithmetic number, because the mean of its divisors is an integer number (63438606).

Almost surely, 2^7081426944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7081426944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11418949080).

7081426944 is an abundant number, since it is smaller than the sum of its proper divisors (15756471216).

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

7081426944 is an frugal number, since it uses more digits than its factorization.

7081426944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 7081426944 is about 84151.2147505905. The cubic root of 7081426944 is about 1920.3199466815.

The spelling of 7081426944 in words is "seven billion, eighty-one million, four hundred twenty-six thousand, nine hundred forty-four".