7225554124540 has 48 divisors (see below), whose sum is σ = 15575058172800. Its totient is φ = 2814681196352.

The previous prime is 7225554124489. The next prime is 7225554124549. The reversal of 7225554124540 is 454214555227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225554124549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28487530 + ... + 28740049.

It is an arithmetic number, because the mean of its divisors is an integer number (324480378600).

Almost surely, 2^{7225554124540} is an apocalyptic number.

It is an amenable number.

7225554124540 is an abundant number, since it is smaller than the sum of its proper divisors (8349504048260).

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

7225554124540 is a wasteful number, since it uses less digits than its factorization.

7225554124540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57227754 (or 57227752 counting only the distinct ones).

The product of its (nonzero) digits is 2240000, while the sum is 46.

Adding to 7225554124540 its reverse (454214555227), we get a palindrome (7679768679767).

The spelling of 7225554124540 in words is "seven trillion, two hundred twenty-five billion, five hundred fifty-four million, one hundred twenty-four thousand, five hundred forty".