7425240140 has 12 divisors (see below), whose sum is σ = 15593004336. Its totient is φ = 2970096048.

The previous prime is 7425240133. The next prime is 7425240157. The reversal of 7425240140 is 410425247.

It is a super-2 number, since 2×7425240140² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185630984 + ... + 185631023.

It is an arithmetic number, because the mean of its divisors is an integer number (1299417028).

Almost surely, 2^7425240140 is an apocalyptic number.

It is an amenable number.

7425240140 is an abundant number, since it is smaller than the sum of its proper divisors (8167764196).

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

7425240140 is a wasteful number, since it uses less digits than its factorization.

7425240140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371262016 (or 371262014 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 7425240140 is about 86169.8331204140. The cubic root of 7425240140 is about 1950.9082019716.

Adding to 7425240140 its reverse (410425247), we get a palindrome (7835665387).

The spelling of 7425240140 in words is "seven billion, four hundred twenty-five million, two hundred forty thousand, one hundred forty".