7425242438 has 16 divisors (see below), whose sum is σ = 11317111344. Its totient is φ = 3652999680.

The previous prime is 7425242437. The next prime is 7425242449. The reversal of 7425242438 is 8342425247.

It is a junction number, because it is equal to n+sod(n) for n = 7425242395 and 7425242404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425242437) 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, 86606 + ... + 149502.

It is an arithmetic number, because the mean of its divisors is an integer number (707319459).

Almost surely, 2^7425242438 is an apocalyptic number.

7425242438 is a deficient number, since it is larger than the sum of its proper divisors (3891868906).

7425242438 is a wasteful number, since it uses less digits than its factorization.

7425242438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63847.

The product of its digits is 430080, while the sum is 41.

The square root of 7425242438 is about 86169.8464545458. The cubic root of 7425242438 is about 1950.9084032304.

The spelling of 7425242438 in words is "seven billion, four hundred twenty-five million, two hundred forty-two thousand, four hundred thirty-eight".