7388132438 has 16 divisors (see below), whose sum is σ = 11230005024. Its totient is φ = 3645120960.

The previous prime is 7388132431. The next prime is 7388132449. The reversal of 7388132438 is 8342318837.

It is a junction number, because it is equal to n+sod(n) for n = 7388132392 and 7388132401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7388132431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34973 + ... + 126488.

It is an arithmetic number, because the mean of its divisors is an integer number (701875314).

Almost surely, 2^7388132438 is an apocalyptic number.

7388132438 is a deficient number, since it is larger than the sum of its proper divisors (3841872586).

7388132438 is a wasteful number, since it uses less digits than its factorization.

7388132438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161767.

The product of its digits is 774144, while the sum is 47.

The square root of 7388132438 is about 85954.2461894699. The cubic root of 7388132438 is about 1947.6528795468.

The spelling of 7388132438 in words is "seven billion, three hundred eighty-eight million, one hundred thirty-two thousand, four hundred thirty-eight".