7138445424 has 40 divisors (see below), whose sum is σ = 20117438592. Its totient is φ = 2163165120.

The previous prime is 7138445383. The next prime is 7138445429. The reversal of 7138445424 is 4245448317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138445429) 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, 6759364 + ... + 6760419.

Almost surely, 2^7138445424 is an apocalyptic number.

It is an amenable number.

7138445424 is an abundant number, since it is smaller than the sum of its proper divisors (12978993168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7138445424 is a wasteful number, since it uses less digits than its factorization.

7138445424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13519805 (or 13519799 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 7138445424 is about 84489.3213607495. The cubic root of 7138445424 is about 1925.4602080897.

The spelling of 7138445424 in words is "seven billion, one hundred thirty-eight million, four hundred forty-five thousand, four hundred twenty-four".