7738248144 has 60 divisors (see below), whose sum is σ = 21973017248. Its totient is φ = 2344921920.

The previous prime is 7738248113. The next prime is 7738248157. The reversal of 7738248144 is 4418428377.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 7738248093 and 7738248102.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 660364 + ... + 671979.

Almost surely, 2^7738248144 is an apocalyptic number.

It is an amenable number.

7738248144 is an abundant number, since it is smaller than the sum of its proper divisors (14234769104).

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

7738248144 is a wasteful number, since it uses less digits than its factorization.

7738248144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332376 (or 1332359 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 48.

The square root of 7738248144 is about 87967.3129292921. The cubic root of 7738248144 is about 1977.9450284498.

The spelling of 7738248144 in words is "seven billion, seven hundred thirty-eight million, two hundred forty-eight thousand, one hundred forty-four".