7425572394240 has 2592 divisors, whose sum is σ = 35661145193856. Its totient is φ = 1402005749760.

The previous prime is 7425572394179. The next prime is 7425572394241. The reversal of 7425572394240 is 424932755247.

7425572394240 is a `hidden beast` number, since 7 + 4 + 2 + 5 + 5 + 7 + 2 + 394 + 240 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425572394241) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5408282194 + ... + 5408283566.

It is an arithmetic number, because the mean of its divisors is an integer number (13758157868).

Almost surely, 2^{7425572394240} is an apocalyptic number.

7425572394240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7425572394240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17830572596928).

7425572394240 is an abundant number, since it is smaller than the sum of its proper divisors (28235572799616).

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

7425572394240 is a wasteful number, since it uses less digits than its factorization.

7425572394240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 54.

The spelling of 7425572394240 in words is "seven trillion, four hundred twenty-five billion, five hundred seventy-two million, three hundred ninety-four thousand, two hundred forty".