611234224540 has 48 divisors (see below), whose sum is σ = 1303951993344. Its totient is φ = 240627643200.

The previous prime is 611234224483. The next prime is 611234224543. The reversal of 611234224540 is 45422432116.

It is a junction number, because it is equal to n+sod(n) for n = 611234224496 and 611234224505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611234224543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433897 + ... + 1187743.

It is an arithmetic number, because the mean of its divisors is an integer number (27165666528).

Almost surely, 2^611234224540 is an apocalyptic number.

It is an amenable number.

611234224540 is an abundant number, since it is smaller than the sum of its proper divisors (692717768804).

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

611234224540 is a wasteful number, since it uses less digits than its factorization.

611234224540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754498 (or 754496 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 611234224540 its reverse (45422432116), we get a palindrome (656656656656).

The spelling of 611234224540 in words is "six hundred eleven billion, two hundred thirty-four million, two hundred twenty-four thousand, five hundred forty".