7438752438 has 32 divisors (see below), whose sum is σ = 16047031392. Its totient is φ = 2285260800.

The previous prime is 7438752427. The next prime is 7438752443. The reversal of 7438752438 is 8342578347.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24393 + ... + 124388.

It is an arithmetic number, because the mean of its divisors is an integer number (501469731).

Almost surely, 2^7438752438 is an apocalyptic number.

7438752438 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

7438752438 is an abundant number, since it is smaller than the sum of its proper divisors (8608278954).

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

7438752438 is a wasteful number, since it uses less digits than its factorization.

7438752438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149440.

The product of its digits is 4515840, while the sum is 51.

The square root of 7438752438 is about 86248.2025204004. The cubic root of 7438752438 is about 1952.0908922771.

The spelling of 7438752438 in words is "seven billion, four hundred thirty-eight million, seven hundred fifty-two thousand, four hundred thirty-eight".