7227040144 has 45 divisors (see below), whose sum is σ = 14307249859. Its totient is φ = 3536499200.

The previous prime is 7227040123. The next prime is 7227040169. The reversal of 7227040144 is 4410407227.

The square root of 7227040144 is 85012.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4534675600 + 2692364544 = 67340^2 + 51888^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18022344 + ... + 18022744.

Almost surely, 2^7227040144 is an apocalyptic number.

7227040144 is the 85012-nd square number.

It is an amenable number.

7227040144 is a deficient number, since it is larger than the sum of its proper divisors (7080209715).

7227040144 is an frugal number, since it uses more digits than its factorization.

7227040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The cubic root of 7227040144 is about 1933.3930615977.

Multiplying 7227040144 by its product of nonzero digits (12544), we get a square (90655991566336 = 9521344²).

The spelling of 7227040144 in words is "seven billion, two hundred twenty-seven million, forty thousand, one hundred forty-four".