4425131231540 has 72 divisors (see below), whose sum is σ = 9334730613600. Its totient is φ = 1762089909696.

The previous prime is 4425131231527. The next prime is 4425131231569. The reversal of 4425131231540 is 451321315244.

It is a self number, because there is not a number n which added to its sum of digits gives 4425131231540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2604549611 + ... + 2604551309.

It is an arithmetic number, because the mean of its divisors is an integer number (129649036300).

Almost surely, 2^{4425131231540} is an apocalyptic number.

It is an amenable number.

4425131231540 is an abundant number, since it is smaller than the sum of its proper divisors (4909599382060).

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

4425131231540 is a wasteful number, since it uses less digits than its factorization.

4425131231540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 4425131231540 its reverse (451321315244), we get a palindrome (4876452546784).

The spelling of 4425131231540 in words is "four trillion, four hundred twenty-five billion, one hundred thirty-one million, two hundred thirty-one thousand, five hundred forty".