7240920466 has 16 divisors (see below), whose sum is σ = 12384923544. Its totient is φ = 3145377024.

The previous prime is 7240920451. The next prime is 7240920469. The reversal of 7240920466 is 6640290427.

It can be written as a sum of positive squares in 4 ways, for example, as 7143799441 + 97121025 = 84521^2 + 9855^2 .

It is not an unprimeable number, because it can be changed into a prime (7240920469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190645 + ... + 8191528.

Almost surely, 2^7240920466 is an apocalyptic number.

7240920466 is a deficient number, since it is larger than the sum of its proper divisors (5144003078).

7240920466 is a wasteful number, since it uses less digits than its factorization.

7240920466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16382205.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 7240920466 is about 85093.5982668497. The cubic root of 7240920466 is about 1934.6300343857.

The spelling of 7240920466 in words is "seven billion, two hundred forty million, nine hundred twenty thousand, four hundred sixty-six".