7126398404 has 12 divisors (see below), whose sum is σ = 12901238700. Its totient is φ = 3440330208.

The previous prime is 7126398401. The next prime is 7126398421. The reversal of 7126398404 is 4048936217.

It can be written as a sum of positive squares in 2 ways, for example, as 6134022400 + 992376004 = 78320^2 + 31502^2 .

It is not an unprimeable number, because it can be changed into a prime (7126398401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30717119 + ... + 30717350.

It is an arithmetic number, because the mean of its divisors is an integer number (1075103225).

Almost surely, 2^7126398404 is an apocalyptic number.

It is an amenable number.

7126398404 is a deficient number, since it is larger than the sum of its proper divisors (5774840296).

7126398404 is a wasteful number, since it uses less digits than its factorization.

7126398404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61434502 (or 61434500 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 7126398404 is about 84417.9981046696. The cubic root of 7126398404 is about 1924.3764465115.

The spelling of 7126398404 in words is "seven billion, one hundred twenty-six million, three hundred ninety-eight thousand, four hundred four".