53140045240 has 32 divisors (see below), whose sum is σ = 120908538000. Its totient is φ = 21017185024.

The previous prime is 53140045223. The next prime is 53140045261. The reversal of 53140045240 is 4254004135.

It is a junction number, because it is equal to n+sod(n) for n = 53140045199 and 53140045208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7459930 + ... + 7467049.

Almost surely, 2^53140045240 is an apocalyptic number.

It is an amenable number.

53140045240 is an abundant number, since it is smaller than the sum of its proper divisors (67768492760).

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

53140045240 is a wasteful number, since it uses less digits than its factorization.

53140045240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14927079 (or 14927075 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 53140045240 its reverse (4254004135), we get a palindrome (57394049375).

The spelling of 53140045240 in words is "fifty-three billion, one hundred forty million, forty-five thousand, two hundred forty".