7199444890 has 16 divisors (see below), whose sum is σ = 14137092000. Its totient is φ = 2617979920.

The previous prime is 7199444873. The next prime is 7199444947. The reversal of 7199444890 is 984449917.

It is a super-2 number, since 2×7199444890² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32724640 + ... + 32724859.

It is an arithmetic number, because the mean of its divisors is an integer number (883568250).

Almost surely, 2^7199444890 is an apocalyptic number.

7199444890 is a deficient number, since it is larger than the sum of its proper divisors (6937647110).

7199444890 is a wasteful number, since it uses less digits than its factorization.

7199444890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65449517.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 7199444890 is about 84849.5426622914. The cubic root of 7199444890 is about 1930.9291426755.

The spelling of 7199444890 in words is "seven billion, one hundred ninety-nine million, four hundred forty-four thousand, eight hundred ninety".