7425542400 has 108 divisors (see below), whose sum is σ = 24505900272. Its totient is φ = 1980139520.

The previous prime is 7425542381. The next prime is 7425542441. The reversal of 7425542400 is 42455247.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174174 + ... + 212573.

It is an arithmetic number, because the mean of its divisors is an integer number (226906484).

Almost surely, 2^7425542400 is an apocalyptic number.

It is an amenable number.

7425542400 is an abundant number, since it is smaller than the sum of its proper divisors (17080357872).

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

7425542400 is a wasteful number, since it uses less digits than its factorization.

7425542400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386776 (or 386757 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 7425542400 is about 86171.5869646138. The cubic root of 7425542400 is about 1950.9346735514.

Adding to 7425542400 its reverse (42455247), we get a palindrome (7467997647).

The spelling of 7425542400 in words is "seven billion, four hundred twenty-five million, five hundred forty-two thousand, four hundred".