4124221040540 has 24 divisors (see below), whose sum is σ = 8710926991200. Its totient is φ = 1640152643648.

The previous prime is 4124221040539. The next prime is 4124221040549. The reversal of 4124221040540 is 450401224214.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4124221040549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595982240 + ... + 595989159.

It is an arithmetic number, because the mean of its divisors is an integer number (362955291300).

Almost surely, 2^{4124221040540} is an apocalyptic number.

It is an amenable number.

4124221040540 is an abundant number, since it is smaller than the sum of its proper divisors (4586705950660).

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

4124221040540 is a wasteful number, since it uses less digits than its factorization.

4124221040540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191971581 (or 1191971579 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 4124221040540 its reverse (450401224214), we get a palindrome (4574622264754).

The spelling of 4124221040540 in words is "four trillion, one hundred twenty-four billion, two hundred twenty-one million, forty thousand, five hundred forty".