7420415444 has 24 divisors (see below), whose sum is σ = 13998533640. Its totient is φ = 3421401984.

The previous prime is 7420415441. The next prime is 7420415447. The reversal of 7420415444 is 4445140247.

It is an interprime number because it is at equal distance from previous prime (7420415441) and next prime (7420415447).

It can be written as a sum of positive squares in 4 ways, for example, as 19254544 + 7401160900 = 4388^2 + 86030^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420415441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17759 + ... + 123110.

It is an arithmetic number, because the mean of its divisors is an integer number (583272235).

Almost surely, 2^7420415444 is an apocalyptic number.

It is an amenable number.

7420415444 is a deficient number, since it is larger than the sum of its proper divisors (6578118196).

7420415444 is a wasteful number, since it uses less digits than its factorization.

7420415444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141899 (or 141897 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 35.

The square root of 7420415444 is about 86141.8332983458. The cubic root of 7420415444 is about 1950.4855634118.

The spelling of 7420415444 in words is "seven billion, four hundred twenty million, four hundred fifteen thousand, four hundred forty-four".